diff --git a/pyspider/webui/webdav.py b/pyspider/webui/webdav.py
index 5483dbf19..aed3a85a9 100644
--- a/pyspider/webui/webdav.py
+++ b/pyspider/webui/webdav.py
@@ -206,7 +206,7 @@ def authDomainUser(self, realmname, username, password, environ):
     'provider_mapping': {
         '/': ScriptProvider(app)
     },
-    'domaincontroller': NeedAuthController(app),
+    'http_authenticator': {'HTTPAuthenticator': NeedAuthController(app)},
     'verbose': 1 if app.debug else 0,
     'dir_browser': {'davmount': False,
                     'enable': True,