diff --git a/src/XML/env_200305/Fault.php b/src/XML/env_200305/Fault.php
index 9ab7b5f..d68a2d8 100644
--- a/src/XML/env_200305/Fault.php
+++ b/src/XML/env_200305/Fault.php
@@ -147,7 +147,7 @@ public function toXML(?DOMElement $parent = null): DOMElement
 
         // Dirty hack to get the namespaces in the right place. They cannot be in the env:Value element
         $doc = DOMDocumentFactory::create();
-        $e = $doc->appendChild($doc->importNode($e, true));
+        $doc->appendChild($doc->importNode($e, true));
 
         return $doc->documentElement;
     }