diff --git a/notebook/agentchat_realtime_websocket.ipynb b/notebook/agentchat_realtime_websocket.ipynb
index 3b5ca3987b..263bd27051 100644
--- a/notebook/agentchat_realtime_websocket.ipynb
+++ b/notebook/agentchat_realtime_websocket.ipynb
@@ -57,7 +57,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [],
    "source": [