diff --git a/src/Http/UrlScript.php b/src/Http/UrlScript.php
index e43f17f8..fdc26fae 100644
--- a/src/Http/UrlScript.php
+++ b/src/Http/UrlScript.php
@@ -54,7 +54,8 @@ public function withPath(string $path, string $scriptPath = '')
 	{
 		$dolly = clone $this;
 		$dolly->scriptPath = $scriptPath;
-		return call_user_func([$dolly, 'parent::withPath'], $path);
+		$parent = \Closure::fromCallable([UrlImmutable::class, 'withPath'])->bindTo($dolly);
+		return $parent($path);
 	}