diff --git a/services/surfaceflinger/LayerBuffer.cpp b/services/surfaceflinger/LayerBuffer.cpp
index 23506cfbc..55d859dc1 100644
--- a/services/surfaceflinger/LayerBuffer.cpp
+++ b/services/surfaceflinger/LayerBuffer.cpp
@@ -93,6 +93,9 @@ bool LayerBuffer::needsBlending() const {
 }
 
 void LayerBuffer::setNeedsBlending(bool blending) {
+    if (mNeedsBlending != blending) {
+        mFlinger->invalidateLayerVisibility(this);
+    }
     mNeedsBlending = blending;
 }