diff --git a/include/ndnboost/mpl/void_fwd.hpp b/include/ndnboost/mpl/void_fwd.hpp
index bb493d7..0f2a76d 100644
--- a/include/ndnboost/mpl/void_fwd.hpp
+++ b/include/ndnboost/mpl/void_fwd.hpp
@@ -1,6 +1,6 @@
 
-#ifndef BOOST_MPL_VOID_FWD_HPP_INCLUDED
-#define BOOST_MPL_VOID_FWD_HPP_INCLUDED
+#ifndef NDNBOOST_MPL_VOID_FWD_HPP_INCLUDED
+#define NDNBOOST_MPL_VOID_FWD_HPP_INCLUDED
 
 // Copyright Aleksey Gurtovoy 2001-2004
 //
@@ -16,11 +16,11 @@
 
 #include <ndnboost/mpl/aux_/adl_barrier.hpp>
 
-BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
+NDNBOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
 
 struct void_;
 
-BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
-BOOST_MPL_AUX_ADL_BARRIER_DECL(void_)
+NDNBOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
+NDNBOOST_MPL_AUX_ADL_BARRIER_DECL(void_)
 
-#endif // BOOST_MPL_VOID_FWD_HPP_INCLUDED
+#endif // NDNBOOST_MPL_VOID_FWD_HPP_INCLUDED