diff --git a/include/gui/BufferQueueProducer.h b/include/gui/BufferQueueProducer.h
index a75ed98..a48f45e 100644
--- a/include/gui/BufferQueueProducer.h
+++ b/include/gui/BufferQueueProducer.h
@@ -22,7 +22,7 @@
 
 namespace android {
 
-class BufferSlot;
+struct BufferSlot;
 
 class BufferQueueProducer : public BnGraphicBufferProducer,
                             private IBinder::DeathRecipient {