diff --git a/office/.config/khal/config b/office/.config/khal/config
index ec4264d..145211b 100644
--- a/office/.config/khal/config
+++ b/office/.config/khal/config
@@ -11,6 +11,7 @@ dateformat = %Y-%m-%d
 longdateformat = %Y-%m-%d
 datetimeformat = %Y-%m-%d %H:%M
 longdatetimeformat = %Y-%m-%d %H:%M
+weeknumbers = left
 
 [default]
 default_calendar = Activities