diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index c8996d811..32b8c0f6c 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -1296,7 +1296,10 @@ const WindowManager = new Lang.Class({
                            transition: 'easeOutQuad',
                            onComplete: this._sizeChangeWindowDone,
                            onCompleteScope: this,
-                           onCompleteParams: [shellwm, actor]
+                           onCompleteParams: [shellwm, actor],
+                           onOverwrite: this._sizeChangeWindowOverwritten,
+                           onOverwriteScope: this,
+                           onOverwriteParams: [shellwm, actor]
                          });
 
         // Now unfreeze actor updates, to get it to the new size.
@@ -1321,6 +1324,16 @@ const WindowManager = new Lang.Class({
         }
     },
 
+    _sizeChangeWindowOverwritten: function(shellwm, actor) {
+        if (this._removeEffect(this._resizing, actor)) {
+            let actorClone = actor.__fullscreenClone;
+            if (actorClone) {
+                actorClone.destroy();
+                delete actor.__fullscreenClone;
+            }
+        }
+    },
+
     _hasAttachedDialogs: function(window, ignoreWindow) {
         var count = 0;
         window.foreach_transient(function(win) {