diff --git a/autogen/agentchat/contrib/math_user_proxy_agent.py b/autogen/agentchat/contrib/math_user_proxy_agent.py
index edf13e650dc..a432211fad4 100644
--- a/autogen/agentchat/contrib/math_user_proxy_agent.py
+++ b/autogen/agentchat/contrib/math_user_proxy_agent.py
@@ -165,7 +165,7 @@ def __init__(
             default_auto_reply=default_auto_reply,
             **kwargs,
         )
-        self.register_reply([Agent, None], MathUserProxyAgent._generate_math_reply, 1)
+        self.register_reply([Agent, None], MathUserProxyAgent._generate_math_reply, position=2)
         # fixed var
         self._max_invalid_q_per_step = max_invalid_q_per_step
 
diff --git a/autogen/agentchat/contrib/teachable_agent.py b/autogen/agentchat/contrib/teachable_agent.py
index e746548862c..fc367dc055f 100644
--- a/autogen/agentchat/contrib/teachable_agent.py
+++ b/autogen/agentchat/contrib/teachable_agent.py
@@ -63,7 +63,7 @@ def __init__(
             **kwargs,
         )
         # Register a custom reply function.
-        self.register_reply(Agent, TeachableAgent._generate_teachable_assistant_reply, 1)
+        self.register_reply(Agent, TeachableAgent._generate_teachable_assistant_reply, position=2)
 
         # Assemble the parameter settings.
         self._teach_config = {} if teach_config is None else teach_config
diff --git a/autogen/agentchat/contrib/text_analyzer_agent.py b/autogen/agentchat/contrib/text_analyzer_agent.py
index cfc5bc174b3..7a44b178707 100644
--- a/autogen/agentchat/contrib/text_analyzer_agent.py
+++ b/autogen/agentchat/contrib/text_analyzer_agent.py
@@ -46,7 +46,7 @@ def __init__(
             llm_config=llm_config,
             **kwargs,
         )
-        self.register_reply(Agent, TextAnalyzerAgent._analyze_in_reply, 1)
+        self.register_reply(Agent, TextAnalyzerAgent._analyze_in_reply, position=2)
 
     def _analyze_in_reply(
         self,