diff --git a/common/rfb/CMsgHandler.cxx b/common/rfb/CMsgHandler.cxx
index eff4776..ce8b271 100644
--- a/common/rfb/CMsgHandler.cxx
+++ b/common/rfb/CMsgHandler.cxx
@@ -74,3 +74,11 @@
 {
   cp.supportsContinuousUpdates = true;
 }
+
+void CMsgHandler::framebufferUpdateStart()
+{
+}
+
+void CMsgHandler::framebufferUpdateEnd()
+{
+}