diff --git a/tests/unit/test_arena.py b/tests/unit/test_arena.py
index 1c882204..5870c7a5 100644
--- a/tests/unit/test_arena.py
+++ b/tests/unit/test_arena.py
@@ -164,6 +164,7 @@ def test_arena_10(self):
         "OpenAI API key must be set to run this test.",
     )
     @pytest.mark.xfail(raises=chatarena.arena.TooManyInvalidActions)
+    @pytest.mark.xfail(raises=ValueError)
     def test_arena_11(self):
         arena = Arena.from_config(
             os.path.join(EXAMPLES_DIR, "pettingzoo_tictactoe.json")