diff --git a/libs/hwui/SkiaCanvas.h b/libs/hwui/SkiaCanvas.h
index c6313f6..51007c5 100644
--- a/libs/hwui/SkiaCanvas.h
+++ b/libs/hwui/SkiaCanvas.h
@@ -65,7 +65,7 @@
         LOG_ALWAYS_FATAL("SkiaCanvas does not support enableZ");
     }
 
-    virtual void punchHole(const SkRRect& rect) override;
+    virtual void punchHole(const SkRRect& rect, float alpha) override;
 
     virtual void setBitmap(const SkBitmap& bitmap) override;