diff --git a/frontend/m/js/pages.js b/frontend/m/js/pages.js
index cc1d53e..b7d94e3 100644
--- a/frontend/m/js/pages.js
+++ b/frontend/m/js/pages.js
@@ -2445,7 +2445,7 @@
   function buildChatShell(key) {
     const isAssistant = key === "assistant/chat";
     return '<div class="m-page m-chat-page" data-page="' + escapeHtml(key) + '">' +
-      (isAssistant ? '' : '<div class="m-chat-mentor-bar" id="m-chat-mentor-bar"></div>') +
+      (isAssistant ? '' : '<div class="m-chat-mentor-bar" id="m-chat-mentor-bar" style="display:none"></div>') +
       '<div class="m-chat-stream" id="m-chat-stream">' + chatSkeletonHtml() + '</div>' +
       '<div class="m-chat-input-bar" id="m-chat-input-bar">' +
         '<div class="m-chat-input-wrap">' +