diff --git a/app/ui_screen.js b/app/ui_screen.js
index 90c53fee..a2c25767 100644
--- a/app/ui_screen.js
+++ b/app/ui_screen.js
@@ -9,6 +9,7 @@ const UI = {
     connected: false,
     screenID: null,
     screen: {},
+    screens: [],
     supportsBroadcastChannel: (typeof BroadcastChannel !== "undefined"),
     controlChannel: null,
     //Initial Loading of the UI