diff --git a/core/server/services/themes/installer.js b/core/server/services/themes/installer.js
index e27d5936df..99be336b68 100644
--- a/core/server/services/themes/installer.js
+++ b/core/server/services/themes/installer.js
@@ -5,9 +5,12 @@ const security = require('@tryghost/security');
 const request = require('@tryghost/request');
 const errors = require('@tryghost/errors/lib/errors');
 const limitService = require('../../services/limits');
-const i18n = require('../../../shared/i18n');
 const {setFromZip} = require('./storage');
 
+const messages = {
+    repoDoesNotExist: 'Supplied GitHub theme does not exist or is inaccessible'
+};
+
 /**
  *
  * @param {String} ref - theme reference in "Org/RepoName" format
@@ -54,7 +57,7 @@ const installFromGithub = async (ref) => {
     } catch (e) {
         if (e.statusCode && e.statusCode === 404) {
             return Promise.reject(new errors.BadRequestError({
-                message: i18n.t('errors.api.themes.repoDoesNotExist'),
+                message: messages.repoDoesNotExist,
                 context: zipUrl
             }));
         }
diff --git a/core/shared/i18n/translations/en.json b/core/shared/i18n/translations/en.json
index 5ccd37ed85..18970cb2ea 100644
--- a/core/shared/i18n/translations/en.json
+++ b/core/shared/i18n/translations/en.json
@@ -412,8 +412,7 @@
                 "invalidFile": "Please select a valid zip file.",
                 "overrideCasper": "Please rename your zip, it's not allowed to override the default casper theme.",
                 "destroyCasper": "Deleting the default casper theme is not allowed.",
-                "destroyActive": "Deleting the active theme is not allowed.",
-                "repoDoesNotExist": "Supplied GitHub theme does not exist or is inaccessible"
+                "destroyActive": "Deleting the active theme is not allowed."
             },
             "images": {
                 "missingFile": "Please select an image.",