diff --git a/common/rfb/CMsgReader.h b/common/rfb/CMsgReader.h
index 296d99f..ff73414 100644
--- a/common/rfb/CMsgReader.h
+++ b/common/rfb/CMsgReader.h
@@ -62,6 +62,7 @@
 
     void readSetXCursor(int width, int height, const Point& hotspot);
     void readSetCursor(int width, int height, const Point& hotspot);
+    void readSetCursorWithAlpha(int width, int height, const Point& hotspot);
     void readSetDesktopName(int x, int y, int w, int h);
     void readExtendedDesktopSize(int x, int y, int w, int h);