diff --git a/backend/src/tools/nachrichten/routes.js b/backend/src/tools/nachrichten/routes.js
index f3eaab5..af69ec5 100644
--- a/backend/src/tools/nachrichten/routes.js
+++ b/backend/src/tools/nachrichten/routes.js
@@ -69,7 +69,8 @@ router.get('/messages/:userId', authenticate, (req, res) => {
 
   const msgs = db.prepare(`
     SELECT id, sender_id, encrypted_content, iv, created_at,
-      (sender_id = ?) AS is_mine
+      (sender_id = ?) AS is_mine,
+      read_by_recipient
     FROM messages
     WHERE (sender_id = ? AND recipient_id = ?)
        OR (recipient_id = ? AND sender_id = ?)