diff --git a/llama_stack/apis/agents/agents.py b/llama_stack/apis/agents/agents.py
index 7ff276dae..6500cefa0 100644
--- a/llama_stack/apis/agents/agents.py
+++ b/llama_stack/apis/agents/agents.py
@@ -442,13 +442,13 @@ class Agents(Protocol):
     async def get_agents_turn(
         self,
         agent_id: str,
-        turn_id: str,
-        session_id: str
+        session_id: str,
+        turn_id: str
     ) -> Turn: ...
 
     @webmethod(route="/agents/step/get")
     async def get_agents_step(
-        self, agent_id: str, turn_id: str, step_id: str, session_id: str
+        self, agent_id: str, session_id: str, turn_id: str, step_id: str
     ) -> AgentStepResponse: ...
 
     @webmethod(route="/agents/session/create")
diff --git a/llama_stack/providers/impls/meta_reference/agents/agents.py b/llama_stack/providers/impls/meta_reference/agents/agents.py
index 21f5ba3af..dbfa4c526 100644
--- a/llama_stack/providers/impls/meta_reference/agents/agents.py
+++ b/llama_stack/providers/impls/meta_reference/agents/agents.py
@@ -155,7 +155,7 @@ class MetaReferenceAgentsImpl(Agents):
         return turn
 
     async def get_agents_step(
-        self, agent_id: str, turn_id: str, session_id: str, step_id: str
+        self, agent_id: str, session_id: str, turn_id: str, step_id: str
     ) -> AgentStepResponse:
         turn = await self.persistence_store.get(f"session:{agent_id}:{session_id}:{turn_id}")
         try: