diff --git a/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee b/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee
index 0bb9dad2c..7bbd73054 100644
--- a/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee
+++ b/web/app/assets/javascripts/react-components/stores/SessionStore.js.coffee
@@ -946,7 +946,7 @@ ConfigureTracksActions = @ConfigureTracksActions
       .fail(@app.ajaxError)
 
     onEnterSession: (sessionId) ->
-      if !context.JK.guardAgainstBrowser(app)
+      if !context.JK.guardAgainstBrowser(@app)
         return false;
 
       window.location.href = '/client#/session/' + sessionId