diff --git a/HttpServer/IInterface/After.php b/HttpServer/IInterface/After.php
index 9ad5e7c6..160a5ccd 100644
--- a/HttpServer/IInterface/After.php
+++ b/HttpServer/IInterface/After.php
@@ -17,6 +17,6 @@ interface After
 	 * @param $params
 	 * @return mixed
 	 */
-	public function onHandler(Request $request, $params): mixed;
+	public function onHandler(Request $request, $params): void;
 
 }