diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index c06c74f..bdbd6ab 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -226,7 +226,7 @@
     // instances. Each hardware composer instance gets a different sequence id.
     int32_t mComposerSequenceId;
 
-    std::vector<CompositionInfo> mCompositionInfo;
+    std::unordered_map<int32_t, std::vector<CompositionInfo>> mCompositionInfo;
 };