diff --git a/lib/rfb/remote_frame_buffer_widget.dart b/lib/rfb/remote_frame_buffer_widget.dart
index dc7dc8c..e239fed 100644
--- a/lib/rfb/remote_frame_buffer_widget.dart
+++ b/lib/rfb/remote_frame_buffer_widget.dart
@@ -85,12 +85,6 @@ class RemoteFrameBufferWidgetState extends State<RemoteFrameBufferWidget> {
 
     if(keyEvent is! KeyDownEvent && keyEvent is! KeyUpEvent ) {
       return false;
-    }
-    if(keyEvent.logicalKey == LogicalKeyboardKey.f11) {
-      if(keyEvent is KeyDownEvent) {
-        windowManager.isFullScreen().then((flag) {windowManager.setFullScreen(!flag);});
-      }
-      return false;
     } else {
       _isolateSendPort.match(
             () {},
@@ -435,7 +429,15 @@ class RemoteFrameBufferWidgetState extends State<RemoteFrameBufferWidget> {
       final bool down = args['down'];
       final int key = args['key'];
       final int vkCode = args['vkCode'];
-      _sendToVnc(key, vkCode, down);
+      if(vkCode == 122) {
+        if (down) {
+          windowManager.isFullScreen().then((flag) {
+            windowManager.setFullScreen(!flag);
+          });
+        }
+      } else {
+        _sendToVnc(key, vkCode, down);
+      }
     }
   }