diff --git a/tests/test_resolve.py b/tests/test_resolve.py
index a0fde4cd4..c7cdd485e 100644
--- a/tests/test_resolve.py
+++ b/tests/test_resolve.py
@@ -125,7 +125,9 @@ def test_resolve_fraction_unit():
     ) == Fraction(2)
 
 
-@pytest.mark.xfail(reason="https://github.com/Textualize/textual/issues/2502")
+@pytest.mark.xfail(
+    strict=True, reason="https://github.com/Textualize/textual/issues/2502"
+)
 def test_resolve_issue_2502():
     """Test https://github.com/Textualize/textual/issues/2502"""