diff --git a/include/ndnboost/mpl/long_fwd.hpp b/include/ndnboost/mpl/long_fwd.hpp
index 5247bc3..adcdada 100644
--- a/include/ndnboost/mpl/long_fwd.hpp
+++ b/include/ndnboost/mpl/long_fwd.hpp
@@ -1,6 +1,6 @@
 
-#ifndef BOOST_MPL_LONG_FWD_HPP_INCLUDED
-#define BOOST_MPL_LONG_FWD_HPP_INCLUDED
+#ifndef NDNBOOST_MPL_LONG_FWD_HPP_INCLUDED
+#define NDNBOOST_MPL_LONG_FWD_HPP_INCLUDED
 
 // Copyright Aleksey Gurtovoy 2000-2004
 //
@@ -17,11 +17,11 @@
 #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(long, N) > struct long_;
+template< NDNBOOST_MPL_AUX_NTTP_DECL(long, N) > struct long_;
 
-BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
-BOOST_MPL_AUX_ADL_BARRIER_DECL(long_)
+NDNBOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
+NDNBOOST_MPL_AUX_ADL_BARRIER_DECL(long_)
 
-#endif // BOOST_MPL_LONG_FWD_HPP_INCLUDED
+#endif // NDNBOOST_MPL_LONG_FWD_HPP_INCLUDED