diff --git a/Security/User/KeycloakBearerUserProvider.php b/Security/User/KeycloakBearerUserProvider.php
index 686f9bc..3848817 100644
--- a/Security/User/KeycloakBearerUserProvider.php
+++ b/Security/User/KeycloakBearerUserProvider.php
@@ -66,7 +66,7 @@ public function loadUserByUsername($accessToken): UserInterface
         }
 
         return new KeycloakBearerUser(
-            $jwt['clientId'],
+            $jwt['client_id'],
             $jwt['resource_access'][$provider->getClientId()]['roles'],
             $accessToken
         );