diff --git a/HttpServer/Route/Reduce.php b/HttpServer/Route/Reduce.php
index d71a5cf3..b4e10a18 100644
--- a/HttpServer/Route/Reduce.php
+++ b/HttpServer/Route/Reduce.php
@@ -6,6 +6,7 @@ namespace HttpServer\Route;
 
 use Closure;
 use HttpServer\IInterface\After;
+use HttpServer\IInterface\Middleware;
 use Snowflake\Core\Json;
 
 class Reduce
@@ -64,11 +65,10 @@ class Reduce
 	public static function passable($stack, $pipe): Closure
 	{
 		return function ($passable) use ($stack, $pipe) {
-			if ($pipe instanceof Closure) {
-				return call_user_func($pipe, $passable, $stack);
-			} else {
+			if ($pipe instanceof Middleware) {
 				return $pipe->onHandler($passable, $stack);
 			}
+			return call_user_func($pipe, $passable, $stack);
 		};
 	}