diff --git a/matrix_gpt/bot/bot_commands.py b/matrix_gpt/bot/bot_commands.py
index 11e930c..60367c9 100644
--- a/matrix_gpt/bot/bot_commands.py
+++ b/matrix_gpt/bot/bot_commands.py
@@ -4,7 +4,7 @@ from types import ModuleType
 
 from nio import AsyncClient, MatrixRoom, RoomMessageText
 
-from .chat_functions import process_chat, send_text_to_room
+from .chat_functions import process_chat, react_to_event, send_text_to_room
 # from .config import Config
 from .storage import Storage
 
@@ -69,7 +69,11 @@ class Command:
         # if self.command.startswith("help"):
         #     await self._show_help()
         # else:
-        await self._process_chat()
+        try:
+            await self._process_chat()
+        except Exception:
+            await react_to_event(self.client, self.room.room_id, self.event.event_id, '❌')
+            raise
 
     async def _process_chat(self):
         async def inner():