diff --git a/services/surfaceflinger/LayerDim.h b/services/surfaceflinger/LayerDim.h
index 75f9a89..8770e6d 100644
--- a/services/surfaceflinger/LayerDim.h
+++ b/services/surfaceflinger/LayerDim.h
@@ -37,7 +37,7 @@
         virtual ~LayerDim();
 
     virtual void onDraw(const Region& clip) const;
-    virtual bool needsBlending() const    { return true; }
+    virtual bool isOpaque() const         { return false; }
     virtual bool isSecure() const         { return false; }
     virtual bool isProtectedByApp() const { return false; }
     virtual bool isProtectedByDRM() const { return false; }