diff --git a/app/Controllers/StaffController.php b/app/Controllers/StaffController.php
index 2e7e484..2d7429d 100644
--- a/app/Controllers/StaffController.php
+++ b/app/Controllers/StaffController.php
@@ -290,9 +290,9 @@ class StaffController extends ResourceController
                 'name'                 => $data['name'],
                 'email'                => $data['email'],
                 'mobile'               => $data['mobile'],
-                'role_id'              => $data['role_id'] ?? null,
-                'handler_id'           => !empty($data['handler_id']) ? json_encode($data['handler_id']) : null,
-                'updated_by'           => $data['updated_by'] ?? null,
+                'role_id'              => $data['role_id'],
+                'handler_id'           => !empty($data['handler_id']) ? json_encode($data['handler_id']) : [],
+                'updated_by'           => $data['updated_by'],
             ];