diff --git a/watcher/api/acl.py b/watcher/api/acl.py
index 75b8019b2..c8a8775e1 100644
--- a/watcher/api/acl.py
+++ b/watcher/api/acl.py
@@ -37,5 +37,5 @@ def install(app, conf, public_routes):
     if not CONF.get('enable_authentication'):
         return app
     return auth_token.AuthTokenMiddleware(app,
-                                          conf=dict(conf),
+                                          conf=dict(conf.keystone_authtoken),
                                           public_api_routes=public_routes)