diff --git a/vncviewer/CViewOptions.h b/vncviewer/CViewOptions.h
index d49cab1..b19c750 100644
--- a/vncviewer/CViewOptions.h
+++ b/vncviewer/CViewOptions.h
@@ -58,6 +58,7 @@
       bool shared;
       bool sendPtrEvents;
       bool sendKeyEvents;
+      bool sendSysKeys;
       bool clientCutText;
       bool serverCutText;
       bool emulate3;