diff --git a/samples/apps/autogen-studio/autogenstudio/workflowmanager.py b/samples/apps/autogen-studio/autogenstudio/workflowmanager.py
index 2da3b58b7ce..8c15cdccc2a 100644
--- a/samples/apps/autogen-studio/autogenstudio/workflowmanager.py
+++ b/samples/apps/autogen-studio/autogenstudio/workflowmanager.py
@@ -1027,9 +1027,9 @@ async def a_receive(
         silent: Optional[bool] = False,
     ) -> None:
         if self.a_message_processor:
-            await self.a_message_processor(sender, self, message, request_reply, silent, sender_type="agent")
+            await self.a_message_processor(sender, self, message, request_reply, silent, sender_type="groupchat")
         elif self.message_processor:
-            self.message_processor(sender, self, message, request_reply, silent, sender_type="agent")
+            self.message_processor(sender, self, message, request_reply, silent, sender_type="groupchat")
         await super().a_receive(message, sender, request_reply, silent)
 
     def get_human_input(self, prompt: str) -> str: