diff --git a/tests/test_overflow_change.py b/tests/test_overflow_change.py
index 5f9d4e67b..da2f3d915 100644
--- a/tests/test_overflow_change.py
+++ b/tests/test_overflow_change.py
@@ -6,7 +6,9 @@ from textual.app import App
 from textual.containers import Vertical
 
 
-@pytest.mark.xfail("Needs #1610 so that overflow changes trigger layout recomputation.")
+@pytest.mark.xfail(
+    reason="Needs #1610 so that overflow changes trigger layout recomputation."
+)
 async def test_overflow_change_updates_virtual_size_appropriately():
     class MyApp(App):
         def compose(self):