diff --git a/src/kawaz/core/personas/tests/test_models.py b/src/kawaz/core/personas/tests/test_models.py
index b8b26c71..5db2ceb9 100644
--- a/src/kawaz/core/personas/tests/test_models.py
+++ b/src/kawaz/core/personas/tests/test_models.py
@@ -146,7 +146,7 @@ def test_change_permission_with_self(self):
         self._test_permission('seele', 'change', obj='self')
         self._test_permission('nerv', 'change', obj='self')
         self._test_permission('children', 'change', obj='self')
-        self._test_permission('wille', 'change', obj='self')
+        self._test_permission('wille', 'change', obj='self', negative=True)
 
     def test_delete_permission_without_obj(self):
         """