diff --git a/ghost/i18n/lib/i18n.js b/ghost/i18n/lib/i18n.js
index 920561c998..cb8c5d282d 100644
--- a/ghost/i18n/lib/i18n.js
+++ b/ghost/i18n/lib/i18n.js
@@ -2,6 +2,7 @@ const i18next = require('i18next');
 
 const SUPPORTED_LOCALES = [
     'af',
+    'cs',
     'de',
     'en',
     'fr',