diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index a8c0422..e46b889 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -418,6 +418,9 @@
         mAppsView.post(new Runnable() {
             @Override
             public void run() {
+                if (mDiscoBounceAnimation == null) {
+                    return;
+                }
                 mDiscoBounceAnimation.start();
             }
         });