diff --git a/tests/serialize_simplejson.py b/tests/serialize_simplejson.py
index 0e787aa..9bff052 100644
--- a/tests/serialize_simplejson.py
+++ b/tests/serialize_simplejson.py
@@ -19,5 +19,5 @@ def test_simplejson_fallback() -> None:
 
     # simplejson should serialize namedtuple properly
     res: str = dumps(_A(x=1, y=2.0))
-    assert jsn.loads(res) == {"x": 1, "y": 2.0}
+    assert json.loads(res) == {"x": 1, "y": 2.0}