diff --git a/ui/widgets/draggable.js b/ui/widgets/draggable.js
index 58ced641d..ad92190b4 100644
--- a/ui/widgets/draggable.js
+++ b/ui/widgets/draggable.js
@@ -99,7 +99,7 @@ $.widget( "ui.draggable", $.ui.mouse, {
 		this._removeHandleClassName();
 		this._mouseDestroy();
 
-		if ($.ui.ddmanager) {
+		if ( $.ui.ddmanager ) {
 			$.ui.ddmanager.current = null;
 		}
 	},