diff --git a/vncviewer/Viewport.h b/vncviewer/Viewport.h
index d9d73a8..be2192b 100644
--- a/vncviewer/Viewport.h
+++ b/vncviewer/Viewport.h
@@ -112,6 +112,8 @@
   unsigned int altGrCtrlTime;
 #endif
 
+  bool firstLEDState;
+
   const char* pendingServerCutText;
   const char* pendingClientCutText;