diff --git a/jdav_web/jdav_web/settings/components/locale.py b/jdav_web/jdav_web/settings/components/locale.py
index bfa23d2..4f69722 100644
--- a/jdav_web/jdav_web/settings/components/locale.py
+++ b/jdav_web/jdav_web/settings/components/locale.py
@@ -1,7 +1,7 @@
 # Internationalization
 # https://docs.djangoproject.com/en/1.10/topics/i18n/
 
-LANGUAGE_CODE = 'de-de'
+LANGUAGE_CODE = 'de'
 
 TIME_ZONE = 'Europe/Berlin'