diff --git a/invokeai/app/api/routers/models.py b/invokeai/app/api/routers/models.py
index eb7daeb8dd..18742d815d 100644
--- a/invokeai/app/api/routers/models.py
+++ b/invokeai/app/api/routers/models.py
@@ -70,7 +70,7 @@ class ModelsList(BaseModel):
 )
 async def list_models(
         model_type: SDModelType = Query(
-            default=SDModelType.Diffusers, description="The type of model to get"
+            default=None, description="The type of model to get"
         ),
 ) -> ModelsList:
     """Gets a list of models"""