diff --git a/web/app/assets/javascripts/JamServer.js b/web/app/assets/javascripts/JamServer.js
index c61b8b6fe..ffd1142f6 100644
--- a/web/app/assets/javascripts/JamServer.js
+++ b/web/app/assets/javascripts/JamServer.js
@@ -453,7 +453,7 @@
         clientType = context.JK.clientType();
       }
       if(!mode) {
-        mode = context.jamClient.getOperatingMode();
+        mode = context.jamClient.getOperatingMode ? context.jamClient.getOperatingMode() : 'client';
       }
 
       connectDeferred = new $.Deferred();