diff --git a/src/DependencyInjection/HttplugExtension.php b/src/DependencyInjection/HttplugExtension.php
index a084cd4b..b48296f4 100644
--- a/src/DependencyInjection/HttplugExtension.php
+++ b/src/DependencyInjection/HttplugExtension.php
@@ -127,6 +127,7 @@ private function configureClients(ContainerBuilder $container, array $config)
                 $default = $first;
             } else {
                 $default = 'default';
+                $serviceId = 'httplug.client.'.$default;
             }
 
             // Autowiring alias for special clients, if they are enabled on the default client