diff --git a/core/server/api/v3/utils/validators/input/setup.js b/core/server/api/v3/utils/validators/input/setup.js
index b16561ab6f..16d951c04c 100644
--- a/core/server/api/v3/utils/validators/input/setup.js
+++ b/core/server/api/v3/utils/validators/input/setup.js
@@ -1,13 +1,17 @@
 const debug = require('@tryghost/debug')('api:v3:utils:validators:input:updateSetup');
-const i18n = require('../../../../../../shared/i18n');
+const tpl = require('@tryghost/tpl');
 const errors = require('@tryghost/errors');
 
+const messages = {
+    notTheBlogOwner: 'You are not the site owner.'
+};
+
 module.exports = {
     updateSetup(apiConfig, frame) {
         debug('resetPassword');
 
         if (!frame.options.context || !frame.options.context.user) {
-            throw new errors.NoPermissionError({message: i18n.t('errors.api.authentication.notTheBlogOwner')});
+            throw new errors.NoPermissionError({message: tpl(messages.notTheBlogOwner)});
         }
     }
 };