diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index fb76720..1b06843 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -171,7 +171,8 @@
     mReqHeight = h;
 
     mSecure = (flags & ISurfaceComposer::eSecure) ? true : false;
-    mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
+    mNeedsBlending = (info.h_alpha - info.l_alpha) > 0 &&
+            (flags & ISurfaceComposer::eOpaque) == 0;
 
     // we use the red index
     int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);