diff --git a/src/xml_wiarchive.cpp b/src/xml_wiarchive.cpp
new file mode 100644
index 0000000..8c60abf
--- /dev/null
+++ b/src/xml_wiarchive.cpp
@@ -0,0 +1,40 @@
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// xml_wiarchive.cpp:
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+
+#if (defined _MSC_VER) && (_MSC_VER == 1200)
+#  pragma warning (disable : 4786) // too long name, harmless warning
+#endif
+
+#include <boost/config.hpp>
+#ifdef BOOST_NO_STD_WSTREAMBUF
+#error "wide char i/o not supported on this platform"
+#else
+
+#define BOOST_WARCHIVE_SOURCE
+#include <boost/serialization/config.hpp>
+#include <boost/archive/xml_wiarchive.hpp>
+#include <boost/archive/detail/archive_serializer_map.hpp>
+
+// explicitly instantiate for this type of xml stream
+#include <boost/archive/impl/archive_serializer_map.ipp>
+#include <boost/archive/impl/basic_xml_iarchive.ipp>
+#include <boost/archive/impl/xml_wiarchive_impl.ipp>
+
+namespace boost {
+namespace archive {
+
+template class detail::archive_serializer_map<xml_wiarchive>;
+template class basic_xml_iarchive<xml_wiarchive> ;
+template class xml_wiarchive_impl<xml_wiarchive> ;
+
+} // namespace archive
+} // namespace boost
+
+#endif // BOOST_NO_STD_WSTREAMBUF