diff --git a/tests/test_distil.py b/tests/test_distil.py
index e69f21fc2..03eda3fec 100644
--- a/tests/test_distil.py
+++ b/tests/test_distil.py
@@ -27,7 +27,7 @@ def test_must_have_hint() -> None:
     with pytest.raises(AssertionError):
 
         @instructions.distil
-        def test_func(x: int):
+        def test_func(x: int):  # type: ignore[no-untyped-def]
             return SimpleModel(data=x)