diff --git a/api/onnx_web/diffusers/version_safe_diffusers.py b/api/onnx_web/diffusers/version_safe_diffusers.py
index 3d51ea4b..8c4da406 100644
--- a/api/onnx_web/diffusers/version_safe_diffusers.py
+++ b/api/onnx_web/diffusers/version_safe_diffusers.py
@@ -14,7 +14,7 @@ except ImportError:
 
 try:
     from diffusers import DPMSolverSDEScheduler
-except:
+except ImportError:
     from ..diffusers.stub_scheduler import StubScheduler as DPMSolverSDEScheduler
 
 try: