diff --git a/include/ndnboost/mpl/aux_/unwrap.hpp b/include/ndnboost/mpl/aux_/unwrap.hpp
index 2b755b9..292d8c8 100644
--- a/include/ndnboost/mpl/aux_/unwrap.hpp
+++ b/include/ndnboost/mpl/aux_/unwrap.hpp
@@ -1,6 +1,6 @@
 
-#ifndef BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
-#define BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
+#ifndef NDNBOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
+#define NDNBOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
 
 // Copyright Peter Dimov and Multi Media Ltd 2001, 2002
 // Copyright David Abrahams 2001
@@ -44,4 +44,4 @@
 
 }}}
 
-#endif // BOOST_MPL_AUX_UNWRAP_HPP_INCLUDED
+#endif // NDNBOOST_MPL_AUX_UNWRAP_HPP_INCLUDED