diff --git a/tests/unit/ops/test_categorify.py b/tests/unit/ops/test_categorify.py
index 2db9ef0f7b..5092bb7fa7 100644
--- a/tests/unit/ops/test_categorify.py
+++ b/tests/unit/ops/test_categorify.py
@@ -738,7 +738,7 @@ def test_categorify_inference():
 
 def test_categorify_transform_only_nans_column():
     train_df = make_df({"cat_column": ["a", "a", "b", "c", np.nan]})
-    cat_features = ["cat_column"] >> nvt.ops.Categorify(max_size=4)
+    cat_features = ["cat_column"] >> nvt.ops.Categorify()
     train_dataset = nvt.Dataset(train_df)
 
     workflow = nvt.Workflow(cat_features)
@@ -747,4 +747,5 @@ def test_categorify_transform_only_nans_column():
     inference_df = make_df({"cat_column": [np.nan] * 10})
     inference_dataset = nvt.Dataset(inference_df)
 
-    workflow.transform(inference_dataset).compute()
+    output = workflow.transform(inference_dataset).compute()
+    assert len(output) == len(inference_df)