diff --git a/app/controllers/calendar/calendar.php b/app/controllers/calendar/calendar.php
index fdf2781c50d2839f41a87366f15c19b53617aaaf..33c41137534b3182b4e7f1637556d46819565d5a 100644
--- a/app/controllers/calendar/calendar.php
+++ b/app/controllers/calendar/calendar.php
@@ -382,7 +382,7 @@ class Calendar_CalendarController extends AuthenticatedController
                             (
                             $group_view
                                 ? 'calendar/calendar/calendar_group_data/' . $selected_group->id
-                                : 'calendar/calendar/calendar_data/' . $calendar_owner->id
+                                : 'calendar/calendar/calendar_data/user_' . $calendar_owner->id
                             ),
                             $data_url_params
                         ),