diff --git a/src/Extension/UrlExtension.php b/src/Extension/UrlExtension.php
index b4cc843..dc06f45 100644
--- a/src/Extension/UrlExtension.php
+++ b/src/Extension/UrlExtension.php
@@ -30,7 +30,7 @@ PATTERN;
 
     public array $tokens = [ "url" , "route", "asset", "slug" ];
 
-    #[\Deprecated]
+    ##[\Deprecated]
     protected bool $enforceExistingArguments = true;
 
     public function __construct(string $urlBase = "", string $assetToken = "", array $appUrl = [], bool $forceSSL = false) {