diff --git a/src/EventListener/JsonSchemaRequestValidatorListener.php b/src/EventListener/JsonSchemaRequestValidatorListener.php
index 568e1b8..0691361 100644
--- a/src/EventListener/JsonSchemaRequestValidatorListener.php
+++ b/src/EventListener/JsonSchemaRequestValidatorListener.php
@@ -120,9 +120,9 @@ private function routeShouldBeIgnored(Request $request, FilePathProvider $jsonSc
     /**
      * @param Request $request
      *
-     * @return stdClass|null
+     * @return stdClass|array|null
      */
-    private function getRequestContent(Request $request): ?stdClass
+    private function getRequestContent(Request $request)
     {
         $json = $request->getContent();