diff --git a/core/server/api/v3/preview.js b/core/server/api/v3/preview.js
index 758977fcc2..bd45cc6d19 100644
--- a/core/server/api/v3/preview.js
+++ b/core/server/api/v3/preview.js
@@ -1,8 +1,10 @@
-const i18n = require('../../../shared/i18n');
+const tpl = require('@tryghost/tpl');
 const errors = require('@tryghost/errors');
 const models = require('../../models');
 const ALLOWED_INCLUDES = ['authors', 'tags'];
-
+const messages = {
+    postNotFound: 'Post not found.'
+};
 module.exports = {
     docName: 'preview',
 
@@ -31,7 +33,7 @@ module.exports = {
                 .then((model) => {
                     if (!model) {
                         throw new errors.NotFoundError({
-                            message: i18n.t('errors.api.posts.postNotFound')
+                            message: tpl(messages.postNotFound)
                         });
                     }