diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index c7ffea7..3b80756 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -491,7 +491,7 @@
      */
     status_t createLayer(const String8& name, const sp<Client>& client,
             uint32_t w, uint32_t h, PixelFormat format, uint32_t flags,
-            uint32_t windowType, uint32_t ownerUid, sp<IBinder>* handle,
+            int32_t windowType, int32_t ownerUid, sp<IBinder>* handle,
             sp<IGraphicBufferProducer>* gbp, sp<Layer>* parent);
 
     status_t createBufferLayer(const sp<Client>& client, const String8& name,