diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index f099df6..367129a 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -290,7 +290,7 @@
                                               uint64_t frameNumber);
     virtual void deferTransactionUntil_legacy(const sp<Layer>& barrierLayer, uint64_t frameNumber);
     virtual bool setOverrideScalingMode(int32_t overrideScalingMode);
-    virtual bool setMetadata(LayerMetadata data);
+    virtual bool setMetadata(const LayerMetadata& data);
     virtual bool reparentChildren(const sp<IBinder>& layer);
     virtual void setChildrenDrawingParent(const sp<Layer>& layer);
     virtual bool reparent(const sp<IBinder>& newParentHandle);