diff --git a/docs/Makefile b/docs/Makefile
index b458da2..5c7680c 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -1,4 +1,4 @@
-BASE_URL ?= "/"
+BASE_URL ?= ""
 VERSION ?= ""
 SHELL = /bin/bash
 
@@ -21,6 +21,10 @@ install:
 s serve:
 	bundle exec jekyll serve --trace --livereload
 
+define baseurlparam =
+$(if $(BASE_URL),-- --baseurl $(BASE_URL),-- --baseurl "")
+endef
+
 build: version
 	npm run build $(baseurlparam)
 
diff --git a/sonar-project.properties b/sonar-project.properties
new file mode 100644
index 0000000..0219b68
--- /dev/null
+++ b/sonar-project.properties
@@ -0,0 +1,3 @@
+sonar.organization=${env.SONAR_ORGANISATION_KEY}
+sonar.projectKey=${env.SONAR_PROJECT_KEY}
+sonar.sources=.