diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6fb2f7d..bfda14ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,6 @@
 
 All notable changes to this project will be documented in this file.
 
-## [0.0.20.dev0 - 2023-06-29]
+## [0.0.20 - 2023-06-03]
 
-- Written from the scratch new version of the Nextcloud Python Client. Alpha.
+- Written from the scratch new version of the Nextcloud Python Client. Deep Alpha.
diff --git a/nc_py_api/_session.py b/nc_py_api/_session.py
index 299aea03..66e854b2 100644
--- a/nc_py_api/_session.py
+++ b/nc_py_api/_session.py
@@ -75,7 +75,7 @@ def __init__(self, **kwargs):
         self.ae_version = self._get_value("ae_version", raise_not_found=False, **kwargs)
         if not self.ae_version:
             self.ae_version = "1.0.0"
-        self.app_name = self._get_value("app_name", **kwargs)
+        self.app_name = self._get_value("app_id", **kwargs)
         self.app_version = self._get_value("app_version", **kwargs)
         self.app_secret = self._get_value("app_secret", **kwargs).encode("UTF-8")
 
diff --git a/nc_py_api/_version.py b/nc_py_api/_version.py
index 6b2296c2..7b32e762 100644
--- a/nc_py_api/_version.py
+++ b/nc_py_api/_version.py
@@ -1,3 +1,3 @@
 """ Version of nc_py_api"""
 
-__version__ = "0.0.20.dev0"
+__version__ = "0.0.20"