diff --git a/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java b/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
index 4d6693ff6613e..7b6fb943f5121 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
@@ -631,7 +631,9 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
 
     public void notifyAssistantVisibilityChanged(float visibility) {
         try {
-            mOverviewProxy.onAssistantVisibilityChanged(visibility);
+            if (mOverviewProxy != null) {
+                mOverviewProxy.onAssistantVisibilityChanged(visibility);
+            }
         } catch (RemoteException e) {
             Log.e(TAG_OPS, "Failed to call onAssistantVisibilityChanged()", e);
         }