diff --git a/invokeai/backend/model_management/models/sdxl.py b/invokeai/backend/model_management/models/sdxl.py
index 1b5d252cb9..5bbe05be98 100644
--- a/invokeai/backend/model_management/models/sdxl.py
+++ b/invokeai/backend/model_management/models/sdxl.py
@@ -1,6 +1,5 @@
 import os
 import json
-import invokeai.backend.util.logging as logger
 from enum import Enum
 from pydantic import Field
 from typing import Literal, Optional
@@ -12,6 +11,7 @@ from .base import (
     DiffusersModel,
     read_checkpoint_meta,
     classproperty,
+    InvalidModelException,
 )
 from omegaconf import OmegaConf
 
@@ -65,7 +65,7 @@ class StableDiffusionXLModel(DiffusersModel):
                 in_channels = unet_config["in_channels"]
 
             else:
-                raise Exception("Not supported stable diffusion diffusers format(possibly onnx?)")
+                raise InvalidModelException(f"{path} is not a recognized Stable Diffusion diffusers model")
 
         else:
             raise NotImplementedError(f"Unknown stable diffusion 2.* format: {model_format}")