diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 333dcbc..4322050 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -115,7 +115,8 @@
     eTransactionNeeded        = 0x01,
     eTraversalNeeded          = 0x02,
     eDisplayTransactionNeeded = 0x04,
-    eTransactionMask          = 0x07
+    eDisplayLayerStackChanged = 0x08,
+    eTransactionMask          = 0x0f,
 };
 
 class SurfaceFlingerBE