diff --git a/deploy.sh b/deploy.sh
index 32dff8f1d..63d2d0c68 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -7,7 +7,7 @@ export GIT_PAGER=cat
 
 # Abort when user not sure.
 if [ $? -ne 0 ]; then
-    echo "[!] pre-deployment: user aborted or script failed"
+    echo "[!] Halted in pre-deployment: Either user ABORTED or script FAILED"
     exit;
 fi
 
diff --git a/docs/changelog.rst b/docs/changelog.rst
index b7eb3806d..e0f79f45d 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -17,6 +17,19 @@ Please make sure you have a fresh **database backup** before upgrading! Upgradin
     - `About upgrading <http://dsmr-reader.readthedocs.io/en/latest/application.html#application-updates-bug-fixes-new-features>`_.
 
 
+v1.5.1 - 2017-01-04
+^^^^^^^^^^^^^^^^^^^
+
+.. note::
+
+    This patch contains no new features and **only solves upgrading issues** for some users.
+
+
+**Tickets resolved in this release:**
+
+- Fix for issues `#200 <https://github.com/dennissiemensma/dsmr-reader/issues/200>`_ & `#217 <https://github.com/dennissiemensma/dsmr-reader/issues/217>`_, which is caused by omitting the switch to the VirtualEnv. This was not documented well enough in early versions of this project, causing failed upgrades. 
+
+
 v1.5.0 - 2017-01-01
 ^^^^^^^^^^^^^^^^^^^
 
diff --git a/docs/locale/nl/LC_MESSAGES/changelog.mo b/docs/locale/nl/LC_MESSAGES/changelog.mo
index ad33284c6..fad99a195 100644
Binary files a/docs/locale/nl/LC_MESSAGES/changelog.mo and b/docs/locale/nl/LC_MESSAGES/changelog.mo differ
diff --git a/docs/locale/nl/LC_MESSAGES/changelog.po b/docs/locale/nl/LC_MESSAGES/changelog.po
index a96518c91..3ffb97381 100644
--- a/docs/locale/nl/LC_MESSAGES/changelog.po
+++ b/docs/locale/nl/LC_MESSAGES/changelog.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: DSMR Reader v1.x\n"
 "Report-Msgid-Bugs-To: Dennis Siemensma <github@dennissiemensma.nl>\n"
-"POT-Creation-Date: 2016-01-01 00:00+0100\n"
-"PO-Revision-Date: 2017-01-01 00:00+0100\n"
+"POT-Creation-Date: 2017-01-04 19:34+0100\n"
+"PO-Revision-Date: 2017-01-04 19:37+0100\n"
 "Last-Translator: Dennis Siemensma <github@dennissiemensma.nl>\n"
 "Language-Team: Dennis Siemensma <github@dennissiemensma.nl>\n"
 "MIME-Version: 1.0\n"
@@ -57,14 +57,48 @@ msgstr ""
 "html#application-updates-bug-fixes-new-features>`_."
 
 #: ../../changelog.rst:21
-msgid "v1.5.0 - 2017-01-xx"
+msgid "v1.5.1 - 2017-01-04"
 msgstr ""
 
-#: ../../changelog.rst:23 ../../changelog.rst:65
+#: ../../changelog.rst:25
+msgid ""
+"This patch contains no new features and **only solves upgrading issues** "
+"for some users."
+msgstr ""
+"Deze patch bevat geen nieuwe features en **lost alleen upgrade-problemen "
+"op** voor sommige gebruikers."
+
+#: ../../changelog.rst:28 ../../changelog.rst:46 ../../changelog.rst:70
+#: ../../changelog.rst:82 ../../changelog.rst:96 ../../changelog.rst:103
+#: ../../changelog.rst:113 ../../changelog.rst:124 ../../changelog.rst:140
+#: ../../changelog.rst:147 ../../changelog.rst:154 ../../changelog.rst:167
+msgid "**Tickets resolved in this release:**"
+msgstr "**Tickets die opgelost zijn in deze release:**"
+
+#: ../../changelog.rst:30
+msgid ""
+"Fix for issues `#200 <https://github.com/dennissiemensma/dsmr-reader/"
+"issues/200>`_ & `#217 <https://github.com/dennissiemensma/dsmr-reader/"
+"issues/217>`_, which is caused by omitting the switch to the VirtualEnv. "
+"This was not documented well enough in early versions of this project, "
+"causing failed upgrades."
+msgstr ""
+"Oplossing voor tickets `#200 <https://github.com/dennissiemensma/dsmr-"
+"reader/issues/200>`_ & `#217 <https://github.com/dennissiemensma/dsmr-"
+"reader/issues/217>`_, welke veroorzaakt worden door het niet wisselen "
+"naar de VirtualEnv voor de upgrade. In eerdere versies van de project-"
+"documentatie stond dit niet duidelijk genoeg beschreven en dat "
+"veroorzaakt deze problemen."
+
+#: ../../changelog.rst:34
+msgid "v1.5.0 - 2017-01-01"
+msgstr ""
+
+#: ../../changelog.rst:36 ../../changelog.rst:78
 msgid "**Change in Python support**"
 msgstr "**Wijziging in Python-ondersteuning**"
 
-#: ../../changelog.rst:25
+#: ../../changelog.rst:38
 msgid ""
 "The support for ``Python 3.3`` has been **dropped** due to the Django "
 "upgrade (`#103 <https://github.com/dennissiemensma/dsmr-reader/"
@@ -74,7 +108,7 @@ msgstr ""
 "upgrade (`#103 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/103>`_)."
 
-#: ../../changelog.rst:26
+#: ../../changelog.rst:39
 msgid ""
 "There is **experimental support** for ``Python 3.6`` and ``Python 3.7 "
 "(nightly)`` as the unittests are `now built against those versions "
@@ -87,11 +121,11 @@ msgstr ""
 "branches>`_ (`#167 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/167>`_)."
 
-#: ../../changelog.rst:28
+#: ../../changelog.rst:41
 msgid "**Legacy warning**"
 msgstr "**Waarschuwing voor legacy**"
 
-#: ../../changelog.rst:30
+#: ../../changelog.rst:43
 msgid ""
 "The migrations that were squashed together in (`#31 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/31>`_) have been **removed**. This "
@@ -103,7 +137,7 @@ msgstr ""
 "je alleen maar te maken wanneer je nog gebruik maakt van een dsmrreader-"
 "versie **vóór** ``v0.13 (β)``."
 
-#: ../../changelog.rst:31
+#: ../../changelog.rst:44
 msgid ""
 "If you are indeed still running ``< v0.13 (β)``, please upgrade to "
 "``v1.4`` first (!), followed by an upgrade to ``v1.5``."
@@ -112,416 +146,409 @@ msgstr ""
 "upgrade dan eerst naar ``v1.4`` (!), gevolgd door een upgrade naar "
 "``v1.5``."
 
-#: ../../changelog.rst:33 ../../changelog.rst:57 ../../changelog.rst:69
-#: ../../changelog.rst:83 ../../changelog.rst:90 ../../changelog.rst:100
-#: ../../changelog.rst:111 ../../changelog.rst:127 ../../changelog.rst:134
-#: ../../changelog.rst:141 ../../changelog.rst:154
-msgid "**Tickets resolved in this release:**"
-msgstr "**Tickets die opgelost zijn in deze release:**"
-
-#: ../../changelog.rst:35
+#: ../../changelog.rst:48
 msgid ""
 "Verify telegrams' CRC (`#188 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/188>`_)."
 msgstr ""
 
-#: ../../changelog.rst:36
+#: ../../changelog.rst:49
 msgid ""
 "Display last 24 hours on dashboard (`#164 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/164>`_)."
 msgstr ""
 
-#: ../../changelog.rst:37
+#: ../../changelog.rst:50
 msgid ""
 "Status page visualisation (`#172 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/172>`_)."
 msgstr ""
 
-#: ../../changelog.rst:38
+#: ../../changelog.rst:51
 msgid ""
 "Store and display phases consumption (`#161 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/161>`_)."
 msgstr ""
 
-#: ../../changelog.rst:39
+#: ../../changelog.rst:52
 msgid ""
 "Weather graph not showing when no gas data is available (`#170 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/170>`_)."
 msgstr ""
 
-#: ../../changelog.rst:40
+#: ../../changelog.rst:53
 msgid ""
 "Upgrade to ChartJs 2.0 (`#127 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/127>`_)."
 msgstr ""
 
-#: ../../changelog.rst:41
+#: ../../changelog.rst:54
 msgid ""
 "Improve Statistics page performance (`#173 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/173>`_)."
 msgstr ""
 
-#: ../../changelog.rst:42
+#: ../../changelog.rst:55
 msgid ""
 "Version checker at github (`#166 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/166>`_)."
 msgstr ""
 
-#: ../../changelog.rst:43
+#: ../../changelog.rst:56
 msgid ""
 "Remove required login for dismissal of in-app notifications (`#179 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/179>`_)."
 msgstr ""
 
-#: ../../changelog.rst:44
+#: ../../changelog.rst:57
 msgid ""
 "Round numbers displayed in GUI to 2 decimals (`#183 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/183>`_)."
 msgstr ""
 
-#: ../../changelog.rst:45
+#: ../../changelog.rst:58
 msgid ""
 "Switch Nosetests to Pytest (+ pytest-cov) (`#167 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/167>`_)."
 msgstr ""
 
-#: ../../changelog.rst:46
+#: ../../changelog.rst:59
 msgid ""
 "PyLama code audit (+ pytest-cov) (`#158 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/158>`_)."
 msgstr ""
 
-#: ../../changelog.rst:47
+#: ../../changelog.rst:60
 msgid ""
 "Double upgrade of Django framework ``Django 1.8`` -> ``Django 1.9`` -> "
 "``Django 1.10`` (`#103 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/103>`_)."
 msgstr ""
 
-#: ../../changelog.rst:48
+#: ../../changelog.rst:61
 msgid ""
 "Force ``PYTHONUNBUFFERED`` for supervisor commands (`#176 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/176>`_)."
 msgstr ""
 
-#: ../../changelog.rst:49
+#: ../../changelog.rst:62
 msgid ""
 "Documentation updates for v1.5 (`#171 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/171>`_)."
 msgstr ""
 
-#: ../../changelog.rst:50
+#: ../../changelog.rst:63
 msgid ""
 "Requirements update for v1.5 (december 2016) (`#182 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/182>`_)."
 msgstr ""
 
-#: ../../changelog.rst:51
+#: ../../changelog.rst:64
 msgid ""
 "Improved backend process logging (`#184 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/184>`_)."
 msgstr ""
 
-#: ../../changelog.rst:55
+#: ../../changelog.rst:68
 msgid "v1.4.1 - 2016-12-12"
 msgstr ""
 
-#: ../../changelog.rst:59
+#: ../../changelog.rst:72
 msgid ""
 "Consumption chart hangs due to unique_key violation (`#174 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/174>`_)."
 msgstr ""
 
-#: ../../changelog.rst:60
+#: ../../changelog.rst:73
 msgid ""
 "NoReverseMatch at / Reverse for 'docs' (`#175 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/175>`_)."
 msgstr ""
 
-#: ../../changelog.rst:64
+#: ../../changelog.rst:77
 msgid "v1.4.0 - 2016-11-28"
 msgstr ""
 
-#: ../../changelog.rst:67
+#: ../../changelog.rst:80
 msgid ""
 "Support for ``Python 3.5`` has been added officially (`#55 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/55>`_)."
 msgstr ""
 
-#: ../../changelog.rst:71
+#: ../../changelog.rst:84
 msgid ""
 "Push notifications for Notify My Android / Prowl (iOS), written by "
 "Jeroen Peters (`#152 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/152>`_)."
 msgstr ""
 
-#: ../../changelog.rst:72
+#: ../../changelog.rst:85
 msgid ""
 "Support for both single and high/low tariff (`#130 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/130>`_)."
 msgstr ""
 
-#: ../../changelog.rst:73
+#: ../../changelog.rst:86
 msgid ""
 "Add new note from Dashboard has wrong time format (`#159 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/159>`_)."
 msgstr ""
 
-#: ../../changelog.rst:74
+#: ../../changelog.rst:87
 msgid ""
 "Display estimated price for current usage in Dashboard (`#155 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/155>`_)."
 msgstr ""
 
-#: ../../changelog.rst:75
+#: ../../changelog.rst:88
 msgid ""
 "Dropbox API v1 deprecated in June 2017 (`#142 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/142>`_)."
 msgstr ""
 
-#: ../../changelog.rst:76
+#: ../../changelog.rst:89
 msgid ""
 "Improve code coverage (`#151 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/151>`_)."
 msgstr ""
 
-#: ../../changelog.rst:77
+#: ../../changelog.rst:90
 msgid ""
 "Restyle configuration overview (`#156 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/156>`_)."
 msgstr ""
 
-#: ../../changelog.rst:78
+#: ../../changelog.rst:91
 msgid ""
 "Capability based push notifications (`#165 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/165>`_)."
 msgstr ""
 
-#: ../../changelog.rst:82
+#: ../../changelog.rst:95
 msgid "v1.3.2 - 2016-11-08"
 msgstr ""
 
-#: ../../changelog.rst:85
+#: ../../changelog.rst:98
 msgid ""
 "Requirements update (november 2016) (`#150 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/150>`_)."
 msgstr ""
 
-#: ../../changelog.rst:89
+#: ../../changelog.rst:102
 msgid "v1.3.1 - 2016-08-16"
 msgstr ""
 
-#: ../../changelog.rst:92
+#: ../../changelog.rst:105
 msgid ""
 "CSS large margin-bottom (`#144 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/144>`_)."
 msgstr ""
 
-#: ../../changelog.rst:93
+#: ../../changelog.rst:106
 msgid ""
 "Django security releases issued: 1.8.14 (`#147 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/147>`_)."
 msgstr ""
 
-#: ../../changelog.rst:94
+#: ../../changelog.rst:107
 msgid ""
 "Requirements update (August 2016) (`#148 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/148>`_)."
 msgstr ""
 
-#: ../../changelog.rst:95
+#: ../../changelog.rst:108
 msgid ""
 "Query performance improvements (`#149 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/149>`_)."
 msgstr ""
 
-#: ../../changelog.rst:99
+#: ../../changelog.rst:112
 msgid "v1.3.0 - 2016-07-15"
 msgstr ""
 
-#: ../../changelog.rst:102
+#: ../../changelog.rst:115
 msgid ""
 "API endpoint for datalogger (`#140 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/140>`_)."
 msgstr ""
 
-#: ../../changelog.rst:103
+#: ../../changelog.rst:116
 msgid ""
 "Colors for charts (`#137 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/137>`_)."
 msgstr ""
 
-#: ../../changelog.rst:104
+#: ../../changelog.rst:117
 msgid ""
 "Data export: Mindergas.nl (`#10 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/10>`_)."
 msgstr ""
 
-#: ../../changelog.rst:105
+#: ../../changelog.rst:118
 msgid ""
 "Requirement upgrade (`#143 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/143>`_)."
 msgstr ""
 
-#: ../../changelog.rst:106
+#: ../../changelog.rst:119
 msgid ""
 "Installation wizard for first time use (`#139 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/139>`_)."
 msgstr ""
 
-#: ../../changelog.rst:110
+#: ../../changelog.rst:123
 msgid "v1.2.0 - 2016-05-18"
 msgstr ""
 
-#: ../../changelog.rst:113
+#: ../../changelog.rst:126
 msgid ""
 "Energy supplier prices does not indicate tariff type (Django admin) "
 "(`#126 <https://github.com/dennissiemensma/dsmr-reader/issues/126>`_)."
 msgstr ""
 
-#: ../../changelog.rst:114
+#: ../../changelog.rst:127
 msgid ""
 "Requirements update (`#128 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/128>`_)."
 msgstr ""
 
-#: ../../changelog.rst:115
+#: ../../changelog.rst:128
 msgid ""
 "Force backup (`#123 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/123>`_)."
 msgstr ""
 
-#: ../../changelog.rst:116
+#: ../../changelog.rst:129
 msgid ""
 "Update clean-install.md (`#131 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/131>`_)."
 msgstr ""
 
-#: ../../changelog.rst:117
+#: ../../changelog.rst:130
 msgid ""
 "Improve data export field names (`#132 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/132>`_)."
 msgstr ""
 
-#: ../../changelog.rst:118
+#: ../../changelog.rst:131
 msgid ""
 "Display average temperature in archive (`#122 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/122>`_)."
 msgstr ""
 
-#: ../../changelog.rst:119
+#: ../../changelog.rst:132
 msgid ""
 "Pie charts on trends page overlap their canvas (`#136 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/136>`_)."
 msgstr ""
 
-#: ../../changelog.rst:120
+#: ../../changelog.rst:133
 msgid ""
 "'Slumber' consumption (`#115 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/115>`_)."
 msgstr ""
 
-#: ../../changelog.rst:121
+#: ../../changelog.rst:134
 msgid ""
 "Show lowest & highest Watt peaks (`#138 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/138>`_)."
 msgstr ""
 
-#: ../../changelog.rst:122
+#: ../../changelog.rst:135
 msgid ""
 "Allow day & hour statistics reset due to changing energy prices (`#95 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/95>`_)."
 msgstr ""
 
-#: ../../changelog.rst:126
+#: ../../changelog.rst:139
 msgid "v1.1.2 - 2016-05-01"
 msgstr ""
 
-#: ../../changelog.rst:129
+#: ../../changelog.rst:142
 msgid ""
 "Trends page giving errors (when lacking data) (`#125 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/125>`_)."
 msgstr ""
 
-#: ../../changelog.rst:133
+#: ../../changelog.rst:146
 msgid "v1.1.1 - 2016-04-27"
 msgstr ""
 
-#: ../../changelog.rst:136
+#: ../../changelog.rst:149
 msgid ""
 "Improve readme (`#124 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/124>`_)."
 msgstr ""
 
-#: ../../changelog.rst:140
+#: ../../changelog.rst:153
 msgid "v1.1.0 - 2016-04-23"
 msgstr ""
 
-#: ../../changelog.rst:143
+#: ../../changelog.rst:156
 msgid ""
 "Autorefresh dashboard (`#117 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/117>`_)."
 msgstr ""
 
-#: ../../changelog.rst:144
+#: ../../changelog.rst:157
 msgid ""
 "Improve line graphs' visibility (`#111 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/111>`_)."
 msgstr ""
 
-#: ../../changelog.rst:145
+#: ../../changelog.rst:158
 msgid ""
 "Easily add notes (`#110 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/110>`_)."
 msgstr ""
 
-#: ../../changelog.rst:146
+#: ../../changelog.rst:159
 msgid ""
 "Export data points in CSV format (`#2 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/2>`_)."
 msgstr ""
 
-#: ../../changelog.rst:147
+#: ../../changelog.rst:160
 msgid ""
 "Allow day/month/year comparison (`#94 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/94>`_)."
 msgstr ""
 
-#: ../../changelog.rst:148
+#: ../../changelog.rst:161
 msgid ""
 "Docs: Add FAQ and generic application info (`#113 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/113>`_)."
 msgstr ""
 
-#: ../../changelog.rst:149
+#: ../../changelog.rst:162
 msgid ""
 "Support for Iskra meter (DSMR 2.x) (`#120 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/120>`_)."
 msgstr ""
 
-#: ../../changelog.rst:153
+#: ../../changelog.rst:166
 msgid "v1.0.1 - 2016-04-07"
 msgstr ""
 
-#: ../../changelog.rst:156
+#: ../../changelog.rst:169
 msgid ""
 "Update licence to OSI compatible one (`#119 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/119>`_)."
 msgstr ""
 
-#: ../../changelog.rst:160
+#: ../../changelog.rst:173
 msgid "v1.0.0 - 2016-04-07"
 msgstr ""
 
-#: ../../changelog.rst:161
+#: ../../changelog.rst:174
 msgid "First official stable release."
 msgstr "Eerste officiële stabiele release."
 
-#: ../../changelog.rst:165
+#: ../../changelog.rst:178
 msgid "[β] v0.1 (2015-10-29) to 0.16 (2016-04-06)"
 msgstr ""
 
-#: ../../changelog.rst:168
+#: ../../changelog.rst:181
 msgid ""
 "All previous beta releases/changes have been combined to a single list "
 "below."
@@ -529,442 +556,442 @@ msgstr ""
 "Alle vorige bèta releases/veranderingen zijn gecombineerd tot een enkele "
 "lijst hieronder."
 
-#: ../../changelog.rst:170
+#: ../../changelog.rst:183
 msgid ""
 "Move documentation to wiki or RTD (`#90 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/90>`_)."
 msgstr ""
 
-#: ../../changelog.rst:171
+#: ../../changelog.rst:184
 msgid ""
 "Translate README to Dutch (`#16 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/16>`_)."
 msgstr ""
 
-#: ../../changelog.rst:172
+#: ../../changelog.rst:185
 msgid ""
 "Delete (recent) history page (`#112 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/112>`_)."
 msgstr ""
 
-#: ../../changelog.rst:173
+#: ../../changelog.rst:186
 msgid ""
 "Display most recent temperature in dashboard (`#114 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/114>`_)."
 msgstr ""
 
-#: ../../changelog.rst:174
+#: ../../changelog.rst:187
 msgid ""
 "Upgrade Django to 1.8.12 (`#118 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/118>`_)."
 msgstr ""
 
-#: ../../changelog.rst:176
+#: ../../changelog.rst:189
 msgid ""
 "Redesign trends page (`#97 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/97>`_)."
 msgstr ""
 
-#: ../../changelog.rst:177
+#: ../../changelog.rst:190
 msgid ""
 "Support for summer time (`#105 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/105>`_)."
 msgstr ""
 
-#: ../../changelog.rst:178
+#: ../../changelog.rst:191
 msgid ""
 "Support for Daylight Saving Time (DST) transition (`#104 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/104>`_)."
 msgstr ""
 
-#: ../../changelog.rst:179
+#: ../../changelog.rst:192
 msgid ""
 "Add (error) hints to status page (`#106 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/106>`_)."
 msgstr ""
 
-#: ../../changelog.rst:180
+#: ../../changelog.rst:193
 msgid ""
 "Keep track of version (`#108 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/108>`_)."
 msgstr ""
 
-#: ../../changelog.rst:182
+#: ../../changelog.rst:195
 msgid ""
 "Django 1.8.11 released (`#82 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/82>`_)."
 msgstr ""
 
-#: ../../changelog.rst:183
+#: ../../changelog.rst:196
 msgid ""
 "Prevent tests from failing due to moment of execution (`#88 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/88>`_)."
 msgstr ""
 
-#: ../../changelog.rst:184
+#: ../../changelog.rst:197
 msgid ""
 "Statistics page meter positions are broken (`#93 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/93>`_)."
 msgstr ""
 
-#: ../../changelog.rst:185
+#: ../../changelog.rst:198
 msgid ""
 "Archive only shows graph untill 23:00 (11 pm) (`#77 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/77>`_)."
 msgstr ""
 
-#: ../../changelog.rst:186
+#: ../../changelog.rst:199
 msgid ""
 "Trends page crashes due to nullable fields average (`#100 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/100>`_)."
 msgstr ""
 
-#: ../../changelog.rst:187
+#: ../../changelog.rst:200
 msgid ""
 "Trends: Plot peak and off-peak relative to each other (`#99 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/99>`_)."
 msgstr ""
 
-#: ../../changelog.rst:188
+#: ../../changelog.rst:201
 msgid ""
 "Monitor requirements with requires.io (`#101 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/101>`_)."
 msgstr ""
 
-#: ../../changelog.rst:189
+#: ../../changelog.rst:202
 msgid ""
 "Terminology (`#41 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/41>`_)."
 msgstr ""
 
-#: ../../changelog.rst:190
+#: ../../changelog.rst:203
 msgid ""
 "Obsolete signals in dsmr_consumption (`#63 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/63>`_)."
 msgstr ""
 
-#: ../../changelog.rst:191
+#: ../../changelog.rst:204
 msgid ""
 "Individual app testing coverage (`#64 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/64>`_)."
 msgstr ""
 
-#: ../../changelog.rst:192
+#: ../../changelog.rst:205
 msgid ""
 "Support for extra devices on other M-bus (0-n:24.1) (`#92 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/92>`_)."
 msgstr ""
 
-#: ../../changelog.rst:193
+#: ../../changelog.rst:206
 msgid ""
 "Separate post-deployment commands (`#102 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/102>`_)."
 msgstr ""
 
-#: ../../changelog.rst:195
+#: ../../changelog.rst:208
 msgid ""
 "Show exceptions in production (webinterface) (`#87 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/87>`_)."
 msgstr ""
 
-#: ../../changelog.rst:196
+#: ../../changelog.rst:209
 msgid ""
 "Keep Supervisor processes running (`#79 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/79>`_)."
 msgstr ""
 
-#: ../../changelog.rst:197
+#: ../../changelog.rst:210
 msgid ""
 "Hourly stats of 22:00:00+00 every day lack gas (`#78 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/78>`_)."
 msgstr ""
 
-#: ../../changelog.rst:198
+#: ../../changelog.rst:211
 msgid ""
 "Test Travis-CI with MySQL + MariaDB + PostgreSQL (`#54 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/54>`_)."
 msgstr ""
 
-#: ../../changelog.rst:199
+#: ../../changelog.rst:212
 msgid ""
 "PostgreSQL tests + nosetests + coverage failure: unrecognized "
 "configuration parameter \"foreign_key_checks\" (`#62 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/62>`_)."
 msgstr ""
 
-#: ../../changelog.rst:200
+#: ../../changelog.rst:213
 msgid ""
 "Performance check (`#83 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/83>`_)."
 msgstr ""
 
-#: ../../changelog.rst:201
+#: ../../changelog.rst:214
 msgid ""
 "Allow month & year archive (`#66 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/66>`_)."
 msgstr ""
 
-#: ../../changelog.rst:202
+#: ../../changelog.rst:215
 msgid ""
 "Graphs keep increasing height on tablet (`#89 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/89>`_)."
 msgstr ""
 
-#: ../../changelog.rst:204
+#: ../../changelog.rst:217
 msgid ""
 "Delete StatsSettings(.track) settings model (`#71 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/71>`_)."
 msgstr ""
 
-#: ../../changelog.rst:205
+#: ../../changelog.rst:218
 msgid ""
 "Drop deprecated commands (`#22 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/22>`_)."
 msgstr ""
 
-#: ../../changelog.rst:206
+#: ../../changelog.rst:219
 msgid ""
 "Datalogger doesn't work properly with DSMR 4.2 (KAIFA-METER) (`#73 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/73>`_)."
 msgstr ""
 
-#: ../../changelog.rst:207
+#: ../../changelog.rst:220
 msgid ""
 "Dashboard month statistics costs does not add up (`#75 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/75>`_)."
 msgstr ""
 
-#: ../../changelog.rst:208
+#: ../../changelog.rst:221
 msgid ""
 "Log unhandled exceptions and errors (`#65 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/65>`_)."
 msgstr ""
 
-#: ../../changelog.rst:209
+#: ../../changelog.rst:222
 msgid ""
 "Datalogger crashes with IntegrityError because 'timestamp' is null (`#74 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/74>`_)."
 msgstr ""
 
-#: ../../changelog.rst:210
+#: ../../changelog.rst:223
 msgid ""
 "Trends are always shown in UTC (`#76 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/76>`_)."
 msgstr ""
 
-#: ../../changelog.rst:211
+#: ../../changelog.rst:224
 msgid ""
 "Squash migrations (`#31 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/31>`_)."
 msgstr ""
 
-#: ../../changelog.rst:212
+#: ../../changelog.rst:225
 msgid ""
 "Display 'electricity returned' graph in dashboard (`#81 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/81>`_)."
 msgstr ""
 
-#: ../../changelog.rst:213
+#: ../../changelog.rst:226
 msgid ""
 "Optional gas (and electricity returned) capabilities tracking (`#70 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/70>`_)."
 msgstr ""
 
-#: ../../changelog.rst:214
+#: ../../changelog.rst:227
 msgid ""
 "Add 'electricity returned' to trends page (`#84 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/84>`_)."
 msgstr ""
 
-#: ../../changelog.rst:216
+#: ../../changelog.rst:229
 msgid ""
 "Archive: View past days details (`#61 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/61>`_)."
 msgstr ""
 
-#: ../../changelog.rst:217
+#: ../../changelog.rst:230
 msgid ""
 "Dashboard: Consumption total for current month (`#60 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/60>`_)."
 msgstr ""
 
-#: ../../changelog.rst:218
+#: ../../changelog.rst:231
 msgid ""
 "Check whether gas readings are optional (`#34 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/34>`_)."
 msgstr ""
 
-#: ../../changelog.rst:219
+#: ../../changelog.rst:232
 msgid ""
 "Django security releases issued: 1.8.10 (`#68 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/68>`_)."
 msgstr ""
 
-#: ../../changelog.rst:220
+#: ../../changelog.rst:233
 msgid ""
 "Notes display in archive (`#69 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/69>`_)."
 msgstr ""
 
-#: ../../changelog.rst:222
+#: ../../changelog.rst:235
 msgid ""
 "Status page/alerts when features are disabled/unavailable (`#45 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/45>`_)."
 msgstr ""
 
-#: ../../changelog.rst:223
+#: ../../changelog.rst:236
 msgid ""
 "Integrate Travis CI (`#48 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/48>`_)."
 msgstr ""
 
-#: ../../changelog.rst:224
+#: ../../changelog.rst:237
 msgid ""
 "Testing coverage (`#38 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/38>`_)."
 msgstr ""
 
-#: ../../changelog.rst:225
+#: ../../changelog.rst:238
 msgid ""
 "Implement automatic backups & Dropbox cloud storage (`#44 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/44>`_)."
 msgstr ""
 
-#: ../../changelog.rst:226
+#: ../../changelog.rst:239
 msgid ""
 "Link code coverage service to repository (`#56 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/56>`_)."
 msgstr ""
 
-#: ../../changelog.rst:227
+#: ../../changelog.rst:240
 msgid ""
 "Explore timezone.localtime() as replacement for datetime.astimezone() "
 "(`#50 <https://github.com/dennissiemensma/dsmr-reader/issues/50>`_)."
 msgstr ""
 
-#: ../../changelog.rst:228
+#: ../../changelog.rst:241
 msgid ""
 "Align GasConsumption.read_at to represent the start of hour (`#40 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/40>`_)."
 msgstr ""
 
-#: ../../changelog.rst:230
+#: ../../changelog.rst:243
 msgid ""
 "Cleanup unused static files (`#47 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/47>`_)."
 msgstr ""
 
-#: ../../changelog.rst:231
+#: ../../changelog.rst:244
 msgid ""
 "Investigated mysql_tzinfo_to_sql — Load the Time Zone Tables (`#35 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/35>`_)."
 msgstr ""
 
-#: ../../changelog.rst:232
+#: ../../changelog.rst:245
 msgid ""
 "Make additional DSMR data optional (`#46 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/46>`_)."
 msgstr ""
 
-#: ../../changelog.rst:233
+#: ../../changelog.rst:246
 msgid ""
 "Localize graph x-axis (`#42 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/42>`_)."
 msgstr ""
 
-#: ../../changelog.rst:234
+#: ../../changelog.rst:247
 msgid ""
 "Added graph formatting string to gettext file (`#42 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/42>`_)."
 msgstr ""
 
-#: ../../changelog.rst:235
+#: ../../changelog.rst:248
 msgid ""
 "Different colors for peak & off-peak electricity (`#52 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/52>`_)."
 msgstr ""
 
-#: ../../changelog.rst:236
+#: ../../changelog.rst:249
 msgid ""
 "Admin: Note widget (`#51 <https://github.com/dennissiemensma/dsmr-reader/"
 "issues/51>`_)."
 msgstr ""
 
-#: ../../changelog.rst:237
+#: ../../changelog.rst:250
 msgid ""
 "Allow GUI to run without data (`#26 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/26>`_)."
 msgstr ""
 
-#: ../../changelog.rst:239
+#: ../../changelog.rst:252
 msgid ""
 "Moved project to GitHub (`#28 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/28>`_)."
 msgstr ""
 
-#: ../../changelog.rst:240
+#: ../../changelog.rst:253
 msgid "Added stdout to dsmr_backend to reflect progress."
 msgstr ""
 
-#: ../../changelog.rst:241
+#: ../../changelog.rst:254
 msgid ""
 "Restore note usage in GUI (`#39 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/39>`_)."
 msgstr ""
 
-#: ../../changelog.rst:243
+#: ../../changelog.rst:256
 msgid ""
 "Store daily, weekly, monthly and yearly statistics (`#3 <https://github."
 "com/dennissiemensma/dsmr-reader/issues/3>`_)."
 msgstr ""
 
-#: ../../changelog.rst:244
+#: ../../changelog.rst:257
 msgid ""
 "Improved Recent History page performance a bit. (as result of `#3 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/3>`_)"
 msgstr ""
 
-#: ../../changelog.rst:245
+#: ../../changelog.rst:258
 msgid ""
 "Updates ChartJS library tot 1.1, disposing django-chartjs plugin. Labels "
 "finally work! (as result of `#3 <https://github.com/dennissiemensma/dsmr-"
 "reader/issues/3>`_)"
 msgstr ""
 
-#: ../../changelog.rst:246
+#: ../../changelog.rst:259
 msgid ""
 "Added trends page. (as result of `#3 <https://github.com/dennissiemensma/"
 "dsmr-reader/issues/3>`_)"
 msgstr ""
 
-#: ../../changelog.rst:248
+#: ../../changelog.rst:261
 msgid ""
 "Recent history setting: set range (`#29 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/29>`_)."
 msgstr ""
 
-#: ../../changelog.rst:249
+#: ../../changelog.rst:262
 msgid ""
 "Mock required for test: dsmr_weather.test_weather_tracking (`#32 "
 "<https://github.com/dennissiemensma/dsmr-reader/issues/32>`_)."
 msgstr ""
 
-#: ../../changelog.rst:251
+#: ../../changelog.rst:264
 msgid ""
 "Massive refactoring: Separating apps & using signals (`#19 <https://"
 "github.com/dennissiemensma/dsmr-reader/issues/19>`_)."
 msgstr ""
 
-#: ../../changelog.rst:252
+#: ../../changelog.rst:265
 msgid ""
 "README update: Exit character for cu (`#27 <https://github.com/"
 "dennissiemensma/dsmr-reader/issues/27>`_, by Jeroen Peters)."
 msgstr ""
 
-#: ../../changelog.rst:253
+#: ../../changelog.rst:266
 msgid "Fixed untranslated strings in admin interface."
 msgstr ""
 
-#: ../../changelog.rst:254
+#: ../../changelog.rst:267
 msgid "Upgraded Django to 1.8.9."
 msgstr ""
diff --git a/dsmr_backend/tests/test_services.py b/dsmr_backend/tests/test_services.py
index 95717167a..40a2c67a7 100644
--- a/dsmr_backend/tests/test_services.py
+++ b/dsmr_backend/tests/test_services.py
@@ -172,7 +172,7 @@ class TestIslatestVersion(TestCase):
         b"__version__ = get_version(VERSION)\n"
 
     response_newer = b"from django.utils.version import get_version\n" \
-        b"VERSION = (1, 5, 1, 'final', 0)\n" \
+        b"VERSION = (1, 25, 1, 'final', 0)\n" \
         b"__version__ = get_version(VERSION)\n"
 
     def test_true(self, request_mock):
diff --git a/dsmrreader/__init__.py b/dsmrreader/__init__.py
index 12815d321..8fb36d385 100644
--- a/dsmrreader/__init__.py
+++ b/dsmrreader/__init__.py
@@ -17,6 +17,6 @@
 from django.utils.version import get_version
 
 
-VERSION = (1, 5, 0, 'final', 0)
+VERSION = (1, 5, 1, 'final', 0)
 
 __version__ = get_version(VERSION)
diff --git a/post-deploy.sh b/post-deploy.sh
index 4c71ecaa5..b41d7f09e 100755
--- a/post-deploy.sh
+++ b/post-deploy.sh
@@ -1,5 +1,21 @@
 #!/bin/bash
 
+echo ""
+echo ""
+echo " --- Checking whether VirtualEnv is activated."
+python -c 'import sys; exit_code = 0 if hasattr(sys, "real_prefix") else 1; sys.exit(exit_code);'
+
+if [ $? -ne 0 ]; then
+    echo "     [i] ----- Activating 'dsmrreader' VirtualEnv..."
+    source ~/.virtualenvs/dsmrreader/bin/activate
+    
+    if [ $? -ne 0 ]; then
+        echo "     [!] FAILED to switch to 'dsmrreader' VirtualEnv (is it installed?)"
+        exit;
+    fi
+fi
+
+
 echo ""
 echo ""
 echo " --- Checking & synchronizing base requirements for changes."
diff --git a/pre-deploy.sh b/pre-deploy.sh
index dceedc4a4..04ed07dd4 100755
--- a/pre-deploy.sh
+++ b/pre-deploy.sh
@@ -5,6 +5,14 @@ echo ""
 echo " --- You are currently running version: "
 python -c 'import dsmrreader ; print(dsmrreader.__version__)'
 
+if [ $? -ne 0 ]; then
+    echo ""
+    echo "     [!] FAILED to call Django (did you activate the 'dsmrreader' VirtualEnv before running?)"
+    echo ""
+    exit 1;
+fi
+
+
 echo ""
 echo ""
 echo " Please make sure you've read EACH release note BEFORE deploying, since some"