diff --git a/rhodecode/controllers/admin/settings.py b/rhodecode/controllers/admin/settings.py
--- a/rhodecode/controllers/admin/settings.py
+++ b/rhodecode/controllers/admin/settings.py
@@ -42,7 +42,7 @@ from rhodecode.lib.auth import LoginRequ
 from rhodecode.lib.base import BaseController, render
 from rhodecode.lib.celerylib import tasks, run_task
 from rhodecode.lib.utils import repo2db_mapper, invalidate_cache, \
-    set_rhodecode_config
+    set_rhodecode_config, repo_name_slug
 from rhodecode.model.db import RhodeCodeUi, Repository
 from rhodecode.model.forms import UserForm, ApplicationSettingsForm, \
     ApplicationUiSettingsForm