diff --git a/src/Controller/Component/ParamHandlerComponent.php b/src/Controller/Component/ParamHandlerComponent.php
index f76a578..89d6cce 100644
--- a/src/Controller/Component/ParamHandlerComponent.php
+++ b/src/Controller/Component/ParamHandlerComponent.php
@@ -47,7 +47,7 @@ class ParamHandlerComponent extends Component
             return $this->isRest;
         }
         if ($this->request->is('json')) {
-            if (!empty($this->request->input()) && empty($this->request->input('json_decode'))) {
+            if (!empty($this->request->getBody()) && !empty($this->request->getParsedBody())) {
                 throw new MethodNotAllowedException('Invalid JSON input. Make sure that the JSON input is a correctly formatted JSON string. This request has been blocked to avoid an unfiltered request.');
             }
             $this->isRest = true;