diff --git a/include/ndnboost/mpl/vector/aux_/O1_size.hpp b/include/ndnboost/mpl/vector/aux_/O1_size.hpp
index 279ade9..50b0f88 100644
--- a/include/ndnboost/mpl/vector/aux_/O1_size.hpp
+++ b/include/ndnboost/mpl/vector/aux_/O1_size.hpp
@@ -1,6 +1,6 @@
 
-#ifndef BOOST_MPL_VECTOR_AUX_O1_SIZE_HPP_INCLUDED
-#define BOOST_MPL_VECTOR_AUX_O1_SIZE_HPP_INCLUDED
+#ifndef NDNBOOST_MPL_VECTOR_AUX_O1_SIZE_HPP_INCLUDED
+#define NDNBOOST_MPL_VECTOR_AUX_O1_SIZE_HPP_INCLUDED
 
 // Copyright Aleksey Gurtovoy 2000-2004
 //
@@ -23,7 +23,7 @@
 
 namespace ndnboost { namespace mpl {
 
-#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
+#if defined(NDNBOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
 
 template<>
 struct O1_size_impl< aux::vector_tag >
@@ -36,7 +36,7 @@
 
 #else
 
-#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+#if !defined(NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
 
 template< long N >
 struct O1_size_impl< aux::vector_tag<N> >
@@ -47,10 +47,10 @@
     };
 };
 
-#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+#endif // NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
 
-#endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
+#endif // NDNBOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
 
 }}
 
-#endif // BOOST_MPL_VECTOR_AUX_O1_SIZE_HPP_INCLUDED
+#endif // NDNBOOST_MPL_VECTOR_AUX_O1_SIZE_HPP_INCLUDED