diff --git a/endpoints/api/trigger.py b/endpoints/api/trigger.py
index 49f67c26e..56bc061dc 100644
--- a/endpoints/api/trigger.py
+++ b/endpoints/api/trigger.py
@@ -205,10 +205,7 @@ class BuildTriggerActivate(RepositoryParamResource):
                                           'write')
 
       try:
-        repository_path = '%s/%s' % (trigger.repository.namespace_user.username,
-                                     trigger.repository.name)
-        path = url_for('webhooks.build_trigger_webhook',
-                       repository=repository_path, trigger_uuid=trigger.uuid)
+        path = url_for('webhooks.build_trigger_webhook', trigger_uuid=trigger.uuid)
         authed_url = _prepare_webhook_url(app.config['PREFERRED_URL_SCHEME'], '$token', token.code,
                                           app.config['SERVER_HOSTNAME'], path)