diff --git a/unix/x0vncserver/PollingManager.h b/unix/x0vncserver/PollingManager.h
index 0d9e90e..3b922d8 100644
--- a/unix/x0vncserver/PollingManager.h
+++ b/unix/x0vncserver/PollingManager.h
@@ -136,6 +136,7 @@
   }
 
   int checkRow(int x, int y, int w, bool *pmxChanged);
+  void sendChanges(bool *pmxChanged);
 
   void adjustVideoArea();