diff --git a/src/com/android/launcher2/AllApps3D.java b/src/com/android/launcher2/AllApps3D.java
index 6d0655e..fe267ba 100644
--- a/src/com/android/launcher2/AllApps3D.java
+++ b/src/com/android/launcher2/AllApps3D.java
@@ -204,8 +204,10 @@
     protected void onDetachedFromWindow() {
         mRS.mMessageCallback = null;
         if (!mSurrendered) {
+            Log.i(TAG, "onDetachedFromWindow");
             destroyRenderScript();
             mRS = null;
+            mRollo = null;
         }
     }