diff --git a/calendar/inc/hook_preferences.inc.php b/calendar/inc/hook_preferences.inc.php
index a22085c0aa..d46f18a572 100644
--- a/calendar/inc/hook_preferences.inc.php
+++ b/calendar/inc/hook_preferences.inc.php
@@ -39,7 +39,7 @@
 	section_item($phpgw->link('/preferences/acl_preferences.php','acl_app='.$appname),
 		lang('Grant Calendar Access'));
 
-	section_item($phpgw->link('/preferences/categories.php','cats_app='.$appname),
+	section_item($phpgw->link('/preferences/categories.php','cats_app='.$appname.'&global_cats=True'),
 		lang('Edit Categories'));
 
 	section_end();