diff --git a/services/surfaceflinger/LayerBase.h b/services/surfaceflinger/LayerBase.h
index 00c4ffe..fd80946 100644
--- a/services/surfaceflinger/LayerBase.h
+++ b/services/surfaceflinger/LayerBase.h
@@ -49,7 +49,7 @@
 
 // ---------------------------------------------------------------------------
 
-class LayerBase : public RefBase
+class LayerBase : virtual public RefBase
 {
     static int32_t sSequence;