diff --git a/src/Libs/Request.php b/src/Libs/Request.php
index 98eb0c0..204cd41 100644
--- a/src/Libs/Request.php
+++ b/src/Libs/Request.php
@@ -115,6 +115,7 @@ class Request extends Neuron  {
      */
     protected function onInvalid(string $error): mixed
     {
+        http_response_code(422);
         print($error);
         return null;
     }