diff --git a/python/packages/autogen-agentchat/src/autogen_agentchat/teams/_group_chat/_graph/_digraph_group_chat.py b/python/packages/autogen-agentchat/src/autogen_agentchat/teams/_group_chat/_graph/_digraph_group_chat.py
index aaca418df92b..cca8f51c5310 100644
--- a/python/packages/autogen-agentchat/src/autogen_agentchat/teams/_group_chat/_graph/_digraph_group_chat.py
+++ b/python/packages/autogen-agentchat/src/autogen_agentchat/teams/_group_chat/_graph/_digraph_group_chat.py
@@ -415,7 +415,7 @@ async def update_message_thread(self, messages: Sequence[BaseAgentEvent | BaseCh
 
             if self._activation[target][activation_group] == "all":
                 self._remaining[target][activation_group] -= 1
-                if self._remaining[target][activation_group] == 0:
+                if self._remaining[target][activation_group] >= 0:
                     # If all parents are done, add to the ready queue.
                     self._ready.append(target)
                     # Track which activation group was triggered