diff --git a/core/java/android/service/wallpaper/WallpaperService.java b/core/java/android/service/wallpaper/WallpaperService.java
index 7f0a666da91fa..4e086c2ad134c 100644
--- a/core/java/android/service/wallpaper/WallpaperService.java
+++ b/core/java/android/service/wallpaper/WallpaperService.java
@@ -1391,7 +1391,7 @@ public abstract class WallpaperService extends Service {
                             Trace.endSection();
                         }
 
-                        if (redrawNeeded) {
+                        if (redrawNeeded || sizeChanged) {
                             Trace.beginSection("WPMS.Engine.onSurfaceRedrawNeeded");
                             onSurfaceRedrawNeeded(mSurfaceHolder);
                             Trace.endSection();