diff --git a/mandaye/auth/authform.py b/mandaye/auth/authform.py
index a12b4cb..2c75e94 100644
--- a/mandaye/auth/authform.py
+++ b/mandaye/auth/authform.py
@@ -69,7 +69,7 @@ a password_field key if you want to encode a password.")
     def get_default_mapping(self):
         mapping = [
                 {
-                    'path': r'/mandaye/logout$',
+                    'path': r'%s$' % self.urls.get('logout_url', '/mandaye/logout'),
                     'on_response': [{'auth': 'slo'}]
                     },
                 ]