diff --git a/common/rfb/CMsgReaderV3.h b/common/rfb/CMsgReaderV3.h
index 8aecdea..9f55c65 100644
--- a/common/rfb/CMsgReaderV3.h
+++ b/common/rfb/CMsgReaderV3.h
@@ -1,5 +1,5 @@
 /* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
- * Copyright 2009 Pierre Ossman for Cendio AB
+ * Copyright 2009-2011 Pierre Ossman for Cendio AB
  * 
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -32,6 +32,7 @@
     virtual void readFramebufferUpdate();
     virtual void readSetDesktopName(int x, int y, int w, int h);
     virtual void readExtendedDesktopSize(int x, int y, int w, int h);
+    virtual void readFence();
     int nUpdateRectsLeft;
   };
 }