diff --git a/be/app/Http/Controllers/SubTaskController.php b/be/app/Http/Controllers/SubTaskController.php
index f7b6f30..5c19cd7 100644
--- a/be/app/Http/Controllers/SubTaskController.php
+++ b/be/app/Http/Controllers/SubTaskController.php
@@ -233,6 +233,7 @@ class SubTaskController extends Controller
         $data['data'] = $request->all()['data'];
         $data['data']['user_id'] = $request->all()['data']['employee_id'];
         $data['data']['title'] = isset($request->all()['data']['title']) ? $request->all()['data']['title'] : null;
+        $data['data']['deadline'] = isset($request->all()['data']['deadline']) ? $request->all()['data']['deadline'] : null;
         $data['data']['estimated_time'] = $request->all()['data']['duration'];
         $data['data']['updated_by'] = User::getUserIdFromBearerToken($request->bearerToken());