diff --git a/include/ndnboost/mpl/arg_fwd.hpp b/include/ndnboost/mpl/arg_fwd.hpp
index 9aec30d..adc8ee3 100644
--- a/include/ndnboost/mpl/arg_fwd.hpp
+++ b/include/ndnboost/mpl/arg_fwd.hpp
@@ -1,6 +1,6 @@
 
-#ifndef BOOST_MPL_ARG_FWD_HPP_INCLUDED
-#define BOOST_MPL_ARG_FWD_HPP_INCLUDED
+#ifndef NDNBOOST_MPL_ARG_FWD_HPP_INCLUDED
+#define NDNBOOST_MPL_ARG_FWD_HPP_INCLUDED
 
 // Copyright Peter Dimov 2001-2002
 // Copyright Aleksey Gurtovoy 2001-2004
@@ -18,11 +18,11 @@
 #include <ndnboost/mpl/aux_/adl_barrier.hpp>
 #include <ndnboost/mpl/aux_/nttp_decl.hpp>
 
-BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
+NDNBOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
 
-template< BOOST_MPL_AUX_NTTP_DECL(int, N) > struct arg;
+template< NDNBOOST_MPL_AUX_NTTP_DECL(int, N) > struct arg;
 
-BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
-BOOST_MPL_AUX_ADL_BARRIER_DECL(arg)
+NDNBOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
+NDNBOOST_MPL_AUX_ADL_BARRIER_DECL(arg)
 
-#endif // BOOST_MPL_ARG_FWD_HPP_INCLUDED
+#endif // NDNBOOST_MPL_ARG_FWD_HPP_INCLUDED