diff --git a/ui/jquery.effects.fade.js b/ui/jquery.effects.fade.js
index c6cb85cc2..825c84e78 100644
--- a/ui/jquery.effects.fade.js
+++ b/ui/jquery.effects.fade.js
@@ -24,7 +24,7 @@ $.effects.fade = function( o ) {
 			duration: o.duration,
 			easing: o.easing,
 			complete: function() {
-				jQuery.isFunction( o.complete ) && o.complete.apply( this, arguments );
+				$.isFunction( o.complete ) && o.complete.apply( this, arguments );
 				el.dequeue();
 			}
 		});