diff --git a/vncviewer/Viewport.h b/vncviewer/Viewport.h
index 31158c2..a4b7d8b 100644
--- a/vncviewer/Viewport.h
+++ b/vncviewer/Viewport.h
@@ -95,7 +95,7 @@
   DownMap downKeySym;
 
   rdr::U32 menuKeySym;
-  int menuKeyCode;
+  int menuKeyCode, menuKeyFLTK;
   Fl_Menu_Button *contextMenu;
 
   bool menuCtrlKey;