diff --git a/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java b/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java
index 8092ab3e4243b..e3235913d949d 100644
--- a/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java
+++ b/packages/SystemUI/src/com/android/systemui/ImageWallpaper.java
@@ -211,6 +211,7 @@ public class ImageWallpaper extends WallpaperService {
             if (mReceiver != null) {
                 unregisterReceiver(mReceiver);
             }
+            mBackground = null;
         }
 
         void updateSurfaceSize(SurfaceHolder surfaceHolder) {