diff --git a/app/javascript/dashboard/api/inboxes.js b/app/javascript/dashboard/api/inboxes.js
index 8c09791c8..ae53f78c4 100644
--- a/app/javascript/dashboard/api/inboxes.js
+++ b/app/javascript/dashboard/api/inboxes.js
@@ -1,7 +1,14 @@
 /* global axios */
 import CacheEnabledApiClient from './CacheEnabledApiClient';
+// import ApiClient from './ApiClient';
+import ApiClient from './ApiClient';
 
-class Inboxes extends CacheEnabledApiClient {
+// eslint-disable-next-line no-underscore-dangle
+const BaseClass = window.__WOOT_ISOLATED_SHELL__
+  ? ApiClient
+  : CacheEnabledApiClient;
+
+class Inboxes extends BaseClass {
   constructor() {
     super('inboxes', { accountScoped: true });
   }
diff --git a/app/javascript/dashboard/helper/actionCable.js b/app/javascript/dashboard/helper/actionCable.js
index 5c179e29e..2bdd335cb 100644
--- a/app/javascript/dashboard/helper/actionCable.js
+++ b/app/javascript/dashboard/helper/actionCable.js
@@ -99,7 +99,7 @@ class ActionCableConnector extends BaseActionCableConnector {
       conversation_id: conversationId,
     } = data;
     // eslint-disable-next-line no-underscore-dangle
-    if (window.__APP_MODE__ !== 'ui') {
+    if (!window.__WOOT_ISOLATED_SHELL__) {
       DashboardAudioNotificationHelper.onNewMessage(data);
     }
     this.app.$store.dispatch('addMessage', data);
diff --git a/public/test-components.html b/public/test-components.html
index 9ca9c1e9d..4ec5327b9 100644
--- a/public/test-components.html
+++ b/public/test-components.html
@@ -6,7 +6,7 @@
     <title>Web Components Test</title>
     <link rel="stylesheet" href="/packs/style.css" />
     <script>
-      window.__APP_MODE__ = 'ui';
+      window.__WOOT_ISOLATED_SHELL__ = true;
       window.__WOOT_ACCOUNT_ID__ = 1;
       window.__WOOT_API_HOST__ = 'http://localhost:3000';
       window.__WOOT_ACCESS_TOKEN__ = 'token';