diff --git a/core/java/android/service/wallpaper/WallpaperService.java b/core/java/android/service/wallpaper/WallpaperService.java
index 324d1abf24bbb..8cfed288e6664 100644
--- a/core/java/android/service/wallpaper/WallpaperService.java
+++ b/core/java/android/service/wallpaper/WallpaperService.java
@@ -1719,6 +1719,7 @@ public abstract class WallpaperService extends Service {
                 float finalStep = step;
                 int finalPageIndx = pageIndx;
                 Bitmap screenShot = page.getBitmap();
+                if (screenShot == null) screenShot = mLastScreenshot;
                 if (screenShot == null || screenShot.isRecycled()) {
                     if (DEBUG) {
                         Log.d(TAG, "invalid bitmap " + screenShot