diff --git a/DependencyInjection/LexikMaintenanceExtension.php b/DependencyInjection/LexikMaintenanceExtension.php
index c0fbdcf..615c917 100644
--- a/DependencyInjection/LexikMaintenanceExtension.php
+++ b/DependencyInjection/LexikMaintenanceExtension.php
@@ -45,6 +45,7 @@ public function load(array $configs, ContainerBuilder $container)
         $container->setParameter('lexik_maintenance.authorized.attributes', $config['authorized']['attributes']);
         $container->setParameter('lexik_maintenance.response.http_code', $config['response']['code']);
         $container->setParameter('lexik_maintenance.response.http_status', $config['response']['status']);
+        $container->setParameter('lexik_maintenance.response.exception_message', $config['response']['exception_message']);
 
         if (isset($config['driver']['options']['dsn'])) {
             $this->registerDsnconfiguration($config['driver']['options']);