diff --git a/plugins/notifications-backend/src/service/router.ts b/plugins/notifications-backend/src/service/router.ts
index 89639e3abf..ebf62c9fa0 100644
--- a/plugins/notifications-backend/src/service/router.ts
+++ b/plugins/notifications-backend/src/service/router.ts
@@ -557,6 +557,7 @@ export async function createRouter(
       user,
       channel: WEB_NOTIFICATION_CHANNEL,
       origin: userNotification.origin,
+      topic: userNotification.payload.topic ?? null,
     });
 
     let ret = notification;