diff --git a/src/Grant/AuthCodeGrant.php b/src/Grant/AuthCodeGrant.php
index 01124a2e8..1a3ade27a 100644
--- a/src/Grant/AuthCodeGrant.php
+++ b/src/Grant/AuthCodeGrant.php
@@ -391,7 +391,7 @@ protected function getExtraAuthCodeParams(AuthorizationRequest $authorizationReq
      *
      * @param object $authCodePayload
      */
-    protected function handleExtraAuthCodeParams(object $authCodePayload)
+    protected function handleExtraAuthCodeParams(\stdClass $authCodePayload)
     {
     }
 }