diff --git a/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php b/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
index 5f428256b49f1..d2d1ea5ab9137 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
@@ -347,7 +347,9 @@ private function processAnonymousServices(\DOMDocument $xml, $file)
$domElement->parentNode->replaceChild($tmpDomElement, $domElement);
$tmpDomElement->setAttribute('id', $id);
} else {
- $domElement->parentNode->removeChild($domElement);
+ if (null !== $domElement->parentNode) {
+ $domElement->parentNode->removeChild($domElement);
+ }
}
}
}
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