diff --git a/tests/workflow/test_simple_workflow.py b/tests/workflow/test_simple_workflow.py
index 36e3624..14f2e76 100644
--- a/tests/workflow/test_simple_workflow.py
+++ b/tests/workflow/test_simple_workflow.py
@@ -55,5 +55,5 @@ def test_simple_workflow():
     
     for filename, ogs in objects_groundtruth.items():
         assert filename in objects, (filename, objects.keys())
-        for op, og in zip(objects[filename], ogs):
+        for op, og in zip(sorted(objects[filename]), sorted(ogs)):
             assert op == og, (op, og)