diff --git a/libs/surfaceflinger/LayerBuffer.h b/libs/surfaceflinger/LayerBuffer.h
index eb5b8eb..b176623 100644
--- a/libs/surfaceflinger/LayerBuffer.h
+++ b/libs/surfaceflinger/LayerBuffer.h
@@ -99,7 +99,8 @@
 
     class Buffer : public LightRefBase<Buffer> {
     public:
-        Buffer(const ISurface::BufferHeap& buffers, ssize_t offset);
+        Buffer(const ISurface::BufferHeap& buffers,
+                ssize_t offset, size_t bufferSize);
         inline bool supportsCopybit() const {
             return mSupportsCopybit;
         }