diff --git a/app/Controllers/StaffController.php b/app/Controllers/StaffController.php
index 298af62..0d629b7 100644
--- a/app/Controllers/StaffController.php
+++ b/app/Controllers/StaffController.php
@@ -188,7 +188,7 @@ class StaffController extends ResourceController
                 'email'                => $data['email'],
                 'mobile'               => $data['mobile'],
                 'role_id'              => $data['role_id'] ?? null,
-                'handler_id'           => $data['handler_id'] ?? null,
+                'handler_id'           => !empty($data['handler_id']) ? json_encode($data['handler_id']) : null,
                 'updated_by'           => $data['updated_by'] ?? null,
             ];