diff --git a/src/Symfony/Component/DependencyInjection/Loader/Configurator/InlineServiceConfigurator.php b/src/Symfony/Component/DependencyInjection/Loader/Configurator/InlineServiceConfigurator.php
index 362b374e55970..ea5db9778bad8 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/Configurator/InlineServiceConfigurator.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/Configurator/InlineServiceConfigurator.php
@@ -29,6 +29,10 @@ class InlineServiceConfigurator extends AbstractConfigurator
     use Traits\ParentTrait;
     use Traits\TagTrait;
 
+    private $id = '[inline]';
+    private $allowParent = true;
+    private $path = null;
+
     public function __construct(Definition $definition)
     {
         $this->definition = $definition;