diff --git a/edsdme/blocks/announcement-date/announcement-date.js b/edsdme/blocks/announcement-date/announcement-date.js
index b3eac4c..48608e7 100644
--- a/edsdme/blocks/announcement-date/announcement-date.js
+++ b/edsdme/blocks/announcement-date/announcement-date.js
@@ -28,7 +28,7 @@ export default async function init(el) {
     const month = String(createdDate.getMonth() + 1).padStart(2, '0');
     const day = String(createdDate.getDate()).padStart(2, '0');
     const datetime = `${createdDate.getFullYear()}-${month}-${day}`;
-    const dateEl = createTag('time', { datetime, class: 'announcement-date detail-m' }, formatDate(createdDateValue, config.locale.ietf));
+    const dateEl = createTag('time', { datetime, class: 'announcement-date detail-m' }, formatDate(createdDateValue, config?.locale?.ietf));
     el.append(dateEl);
   }