diff --git a/exercises/bowling/bowling_test.py b/exercises/bowling/bowling_test.py
index 46bc871fb0..67f8f6b651 100644
--- a/exercises/bowling/bowling_test.py
+++ b/exercises/bowling/bowling_test.py
@@ -119,7 +119,7 @@ def test_all_strikes_is_a_perfect_game(self):
     def test_rolls_cannot_score_negative_points(self):
 
         with self.assertRaisesWithMessage(ValueError):
-            self.game.roll(11)
+            self.game.roll(-1)
 
     def test_a_roll_cannot_score_more_than_10_points(self):