diff --git a/groupchat.py b/groupchat.py
index 9d0e0fb9..89116840 100644
--- a/groupchat.py
+++ b/groupchat.py
@@ -49,7 +49,7 @@ messages = [
 ]
 
 group = GroupChat(
-    nodes=nodes,
+    workers=nodes,
     max_rounds=3,
     max_consecutive_auto_reply=3,
     human_input_mode="NEVER",