diff --git a/mozilla/content/html/document/src/nsHTMLDocument.cpp b/mozilla/content/html/document/src/nsHTMLDocument.cpp
index 03ca88225b8..475ca3f5a97 100644
--- a/mozilla/content/html/document/src/nsHTMLDocument.cpp
+++ b/mozilla/content/html/document/src/nsHTMLDocument.cpp
@@ -1330,11 +1330,8 @@ nsHTMLDocument::CreateElementNS(const nsAReadableString& aNamespaceURI,
     rv = NS_CreateHTMLElement(getter_AddRefs(htmlContent), nodeInfo, PR_FALSE);
     content = do_QueryInterface(htmlContent);
   }
-  else {
-    nsCOMPtr<nsIXMLContent> xmlContent;
-    rv = NS_NewXMLElement(getter_AddRefs(xmlContent), nodeInfo);
-    content = do_QueryInterface(xmlContent);
-  }
+  else
+    rv = NS_NewXMLElement(getter_AddRefs(content), nodeInfo);
 
   NS_ENSURE_SUCCESS(rv, rv);