diff --git a/src/endstone_test/tests/on_player_join/test_player.py b/src/endstone_test/tests/on_player_join/test_player.py
index a600332..699da5e 100644
--- a/src/endstone_test/tests/on_player_join/test_player.py
+++ b/src/endstone_test/tests/on_player_join/test_player.py
@@ -62,7 +62,7 @@ def test_player_attributes(player: Player):
 
 
 def test_player_locale(player: Player):
-    assert Locale.parse(player.locale) is not None
+    assert Locale.parse(player.locale.replace("-", "_")) is not None
 
 
 def test_player_skin(player: Player):