diff --git a/contrib/pugixml/src/pugiconfig.hpp b/contrib/pugixml/src/pugiconfig.hpp
index 405a66b65..03f854bf1 100644
--- a/contrib/pugixml/src/pugiconfig.hpp
+++ b/contrib/pugixml/src/pugiconfig.hpp
@@ -44,7 +44,7 @@
 // #define PUGIXML_XPATH_DEPTH_LIMIT 1024
 
 // Uncomment this to switch to header-only version
-// #define PUGIXML_HEADER_ONLY
+#define PUGIXML_HEADER_ONLY
 
 // Uncomment this to enable long long support
 // #define PUGIXML_HAS_LONG_LONG