diff --git a/src/User/Controller/AdminController.php b/src/User/Controller/AdminController.php
index 78722a4..6508f5b 100644
--- a/src/User/Controller/AdminController.php
+++ b/src/User/Controller/AdminController.php
@@ -305,7 +305,7 @@ class AdminController extends Controller
             return $this->redirect(['index']);
         }
 
-        $this->make(SwitchIdentityService::class, [$this, 'userId' => $id])->run();
+        $this->make(SwitchIdentityService::class, [$this, 2 => $id])->run();
 
         return $this->goHome();
     }
diff --git a/src/User/Service/SwitchIdentityService.php b/src/User/Service/SwitchIdentityService.php
index dfa538c..3211f68 100644
--- a/src/User/Service/SwitchIdentityService.php
+++ b/src/User/Service/SwitchIdentityService.php
@@ -31,7 +31,7 @@ class SwitchIdentityService implements ServiceInterface
     protected $userId;
     protected $userQuery;
 
-    public function __construct(AdminController $controller, $userId, UserQuery $userQuery)
+    public function __construct(AdminController $controller, UserQuery $userQuery, $userId = null)
     {
         /** @var Module $module */
         $module = $controller->module;