diff --git a/record/settings.py b/record/settings.py
index 694ea8e..1ccad2c 100644
--- a/record/settings.py
+++ b/record/settings.py
@@ -90,6 +90,8 @@ DATE_INPUT_FORMATS = ('%d.%m.%Y',)
 
 DATETIME_INPUT_FORMATS = ('%d.%m.%Y %H:%M:%S',)
 
+FIRST_DAY_OF_WEEK = 1
+
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/1.6/howto/static-files/