diff --git a/api/src/chat/repositories/subscriber.repository.ts b/api/src/chat/repositories/subscriber.repository.ts
index 2d690766..52512242 100644
--- a/api/src/chat/repositories/subscriber.repository.ts
+++ b/api/src/chat/repositories/subscriber.repository.ts
@@ -95,6 +95,7 @@ export class SubscriberRepository extends BaseRepository<
           oldSubscriber,
           !!subscriberUpdates?.assignedTo,
         );
+        subscriberUpdates.assignedAt = new Date();
       }
     }
   }