diff --git a/common/rfb/SMsgWriterV3.h b/common/rfb/SMsgWriterV3.h
index 8918a04..35f1f94 100644
--- a/common/rfb/SMsgWriterV3.h
+++ b/common/rfb/SMsgWriterV3.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
@@ -35,6 +35,7 @@
     virtual void writeServerInit();
     virtual void startMsg(int type);
     virtual void endMsg();
+    virtual void writeFence(rdr::U32 flags, unsigned len, const char data[]);
     virtual bool writeSetDesktopSize();
     virtual bool writeExtendedDesktopSize();
     virtual bool writeExtendedDesktopSize(rdr::U16 reason, rdr::U16 result,