X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/03ad288aaa55a0bd0aa143711aa07d0f1801d604..refs/pull/4191/head:/app/Http/Controllers/UserController.php

diff --git a/app/Http/Controllers/UserController.php b/app/Http/Controllers/UserController.php
index 2fcfa4289..cd95f7220 100644
--- a/app/Http/Controllers/UserController.php
+++ b/app/Http/Controllers/UserController.php
@@ -197,7 +197,7 @@ class UserController extends Controller
         $this->checkPermissionOrCurrentUser('users-manage', $id);
 
         $user = $this->userRepo->getById($id);
-        $newOwnerId = $request->get('new_owner_id', null);
+        $newOwnerId = intval($request->get('new_owner_id')) ?: null;
 
         $this->userRepo->destroy($user, $newOwnerId);