diff --git a/letta/server/rest_api/routers/v1/agents.py b/letta/server/rest_api/routers/v1/agents.py
index 0f1701fb..abf08ef3 100644
--- a/letta/server/rest_api/routers/v1/agents.py
+++ b/letta/server/rest_api/routers/v1/agents.py
@@ -1939,7 +1939,7 @@ async def list_groups_for_agent(
 ):
     """Lists the groups for an agent."""
     actor = await server.user_manager.get_actor_or_default_async(actor_id=headers.actor_id)
-    logger.info("in list agents with manager_type", manager_type)
+    logger.info("in list agents with manager_type: %s", manager_type)
     return await server.agent_manager.list_groups_async(
         agent_id=agent_id,
         manager_type=manager_type,