diff --git a/calendar/inc/class.calendar_uiforms.inc.php b/calendar/inc/class.calendar_uiforms.inc.php
index 0d900c2f85..0f9072d70c 100644
--- a/calendar/inc/class.calendar_uiforms.inc.php
+++ b/calendar/inc/class.calendar_uiforms.inc.php
@@ -2799,7 +2799,7 @@ class calendar_uiforms extends calendar_ui
 			calendar_so::split_status($status,$q,$r);
 			if ($uid[0] != 'c' && $uid[0] != 'e' && $uid != $this->bo->user && $status != 'U')
 			{
-				$preferences = new Api\Preferenes($uid);
+				$preferences = new Api\Preferences($uid);
 				$part_prefs = $preferences->read_repository();
 				switch ($part_prefs['calendar']['reset_stati'])
 				{