diff --git a/app/WillySoft/Http/Route.php b/app/WillySoft/Http/Route.php
index 7b594bf..dee3b8d 100644
--- a/app/WillySoft/Http/Route.php
+++ b/app/WillySoft/Http/Route.php
@@ -60,12 +60,14 @@ abstract class Route {
             $middlewares = [$middlewares];
         }
         foreach ($middlewares as $middleware) {
-            self::$groups[(count(self::$groups) - 1)][] = $middleware;
+            array_push(
+                self::$groups[array_key_last(self::$groups)], $middleware
+            );
         }
     }
 
     static function group(callable $callback) {
-        self::$groups[] = [];
+        array_push(self::$groups, []);
         $callback();
         array_pop(self::$groups);
     }