diff --git a/lumen/ai/ui.py b/lumen/ai/ui.py
index 7d19a5c9..cc9a6cb7 100644
--- a/lumen/ai/ui.py
+++ b/lumen/ai/ui.py
@@ -335,6 +335,9 @@ def _global_export_notebook(self):
 
     async def _update_conversation(self, event=None, tab=None):
         active = self._explorations.active
+        if len(self._conversations) <= active:
+            return
+
         if tab is None:
             # When user switches tabs and coordinator is running
             # wait to switch the conversation context