diff --git a/calendar/js/app.js b/calendar/js/app.js
index b4be0f7820..9f759b7a85 100644
--- a/calendar/js/app.js
+++ b/calendar/js/app.js
@@ -178,7 +178,7 @@ app.classes.calendar = AppJS.extend(
 					var resizeHelper = ui.target.getAttribute('data-resize').split("|")[3];
 					if (resizeHelper == 'WD' )
 					{
-						$j(this).resizable('disable');
+						$j(this).resizable('destroy');
 					}
 				},
 				start:function(ui,event)