+ nulling

Sortable.js

@@ -887,7 +887,9 @@
 			this._nulling();
 		},
 
+
 		_nulling: function() {
+			if (Sortable.active === this) {
 				rootEl =
 				dragEl =
 				parentEl =
@@ -909,8 +911,8 @@
 
 				putSortable =
 				activeGroup =
-
 				Sortable.active = null;
+			}
 		},
 
 		handleEvent: function (/**Event*/evt) {