diff --git a/vendor/arbiter/arbiter.hpp b/vendor/arbiter/arbiter.hpp
index 0b4a664..236411b 100644
--- a/vendor/arbiter/arbiter.hpp
+++ b/vendor/arbiter/arbiter.hpp
@@ -51,7 +51,8 @@ SOFTWARE.
 // Beginning of content of file: arbiter/third/xml/rapidxml.hpp
 // //////////////////////////////////////////////////////////////////////
 
-#ifndef RAPIDXML_HPP_INCLUDED
+#include "rapidxml.hpp"
+#if 0
 #define RAPIDXML_HPP_INCLUDED
 
 /*