diff --git a/include/ndnboost/concept/usage.hpp b/include/ndnboost/concept/usage.hpp
index 085cdd9..dfedbc0 100644
--- a/include/ndnboost/concept/usage.hpp
+++ b/include/ndnboost/concept/usage.hpp
@@ -1,8 +1,8 @@
 // Copyright David Abrahams 2006. Distributed under the Boost
 // Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-#ifndef BOOST_CONCEPT_USAGE_DWA2006919_HPP
-# define BOOST_CONCEPT_USAGE_DWA2006919_HPP
+#ifndef NDNBOOST_CONCEPT_USAGE_DWA2006919_HPP
+# define NDNBOOST_CONCEPT_USAGE_DWA2006919_HPP
 
 # include <ndnboost/concept/assert.hpp>
 # include <ndnboost/detail/workaround.hpp>
@@ -10,9 +10,9 @@
 
 namespace ndnboost { namespace concepts { 
 
-# if BOOST_WORKAROUND(__GNUC__, == 2)
+# if NDNBOOST_WORKAROUND(__GNUC__, == 2)
 
-#  define BOOST_CONCEPT_USAGE(model) ~model()
+#  define NDNBOOST_CONCEPT_USAGE(model) ~model()
 
 # else 
 
@@ -22,17 +22,17 @@
     ~usage_requirements() { ((Model*)0)->~Model(); }
 };
 
-#  if BOOST_WORKAROUND(__GNUC__, <= 3)
+#  if NDNBOOST_WORKAROUND(__GNUC__, <= 3)
 
-#   define BOOST_CONCEPT_USAGE(model)                                    \
+#   define NDNBOOST_CONCEPT_USAGE(model)                                    \
       model(); /* at least 2.96 and 3.4.3 both need this :( */           \
-      BOOST_CONCEPT_ASSERT((ndnboost::concepts::usage_requirements<model>)); \
+      NDNBOOST_CONCEPT_ASSERT((ndnboost::concepts::usage_requirements<model>)); \
       ~model()
 
 #  else
 
-#   define BOOST_CONCEPT_USAGE(model)                                    \
-      BOOST_CONCEPT_ASSERT((ndnboost::concepts::usage_requirements<model>)); \
+#   define NDNBOOST_CONCEPT_USAGE(model)                                    \
+      NDNBOOST_CONCEPT_ASSERT((ndnboost::concepts::usage_requirements<model>)); \
       ~model()
 
 #  endif
@@ -41,4 +41,4 @@
 
 }} // namespace ndnboost::concepts
 
-#endif // BOOST_CONCEPT_USAGE_DWA2006919_HPP
+#endif // NDNBOOST_CONCEPT_USAGE_DWA2006919_HPP