diff --git a/letta/server/server.py b/letta/server/server.py
index 01a59d8c44..5bbf3f5b11 100644
--- a/letta/server/server.py
+++ b/letta/server/server.py
@@ -746,6 +746,9 @@ def create_agent(
         if request.name is None:
             request.name = create_random_username()
 
+        if request.agent_type is None:
+            request.agent_type = AgentType.memgpt_agent
+
         # system debug
         if request.system is None:
             # TODO: don't hardcode