diff --git a/ui/event_queue.h b/ui/event_queue.h
index b9734b9..fb4c8d8 100755
--- a/ui/event_queue.h
+++ b/ui/event_queue.h
@@ -31,7 +31,8 @@ enum ControlType {
   CONTROL_POT = 0,
   CONTROL_ENCODER = 1,
   CONTROL_ENCODER_CLICK = 2,
-  CONTROL_SWITCH = 3
+  CONTROL_SWITCH = 3,
+  CONTROL_REFRESH = 4
 };
 
 struct Event {