diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index b39628a..c982b3d 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -1417,6 +1417,7 @@
     }
 
     protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
         mWindowToken = null;
     }