diff --git a/include/ndnboost/preprocessor/arithmetic/add.hpp b/include/ndnboost/preprocessor/arithmetic/add.hpp
index c88e661..474c0fb 100644
--- a/include/ndnboost/preprocessor/arithmetic/add.hpp
+++ b/include/ndnboost/preprocessor/arithmetic/add.hpp
@@ -11,8 +11,8 @@
 #
 # /* See http://www.boost.org for most recent version. */
 #
-# ifndef BOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
-# define BOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
+# ifndef NDNBOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
+# define NDNBOOST_PREPROCESSOR_ARITHMETIC_ADD_HPP
 #
 # include <ndnboost/preprocessor/arithmetic/dec.hpp>
 # include <ndnboost/preprocessor/arithmetic/inc.hpp>
@@ -20,32 +20,32 @@
 # include <ndnboost/preprocessor/control/while.hpp>
 # include <ndnboost/preprocessor/tuple/elem.hpp>
 #
-# /* BOOST_PP_ADD */
+# /* NDNBOOST_PP_ADD */
 #
-# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
-#    define BOOST_PP_ADD(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
+# if ~NDNBOOST_PP_CONFIG_FLAGS() & NDNBOOST_PP_CONFIG_EDG()
+#    define NDNBOOST_PP_ADD(x, y) NDNBOOST_PP_TUPLE_ELEM(2, 0, NDNBOOST_PP_WHILE(NDNBOOST_PP_ADD_P, NDNBOOST_PP_ADD_O, (x, y)))
 # else
-#    define BOOST_PP_ADD(x, y) BOOST_PP_ADD_I(x, y)
-#    define BOOST_PP_ADD_I(x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
+#    define NDNBOOST_PP_ADD(x, y) NDNBOOST_PP_ADD_I(x, y)
+#    define NDNBOOST_PP_ADD_I(x, y) NDNBOOST_PP_TUPLE_ELEM(2, 0, NDNBOOST_PP_WHILE(NDNBOOST_PP_ADD_P, NDNBOOST_PP_ADD_O, (x, y)))
 # endif
 #
-# define BOOST_PP_ADD_P(d, xy) BOOST_PP_TUPLE_ELEM(2, 1, xy)
+# define NDNBOOST_PP_ADD_P(d, xy) NDNBOOST_PP_TUPLE_ELEM(2, 1, xy)
 #
-# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
-#    define BOOST_PP_ADD_O(d, xy) BOOST_PP_ADD_O_I xy
+# if ~NDNBOOST_PP_CONFIG_FLAGS() & NDNBOOST_PP_CONFIG_MWCC()
+#    define NDNBOOST_PP_ADD_O(d, xy) NDNBOOST_PP_ADD_O_I xy
 # else
-#    define BOOST_PP_ADD_O(d, xy) BOOST_PP_ADD_O_I(BOOST_PP_TUPLE_ELEM(2, 0, xy), BOOST_PP_TUPLE_ELEM(2, 1, xy))
+#    define NDNBOOST_PP_ADD_O(d, xy) NDNBOOST_PP_ADD_O_I(NDNBOOST_PP_TUPLE_ELEM(2, 0, xy), NDNBOOST_PP_TUPLE_ELEM(2, 1, xy))
 # endif
 #
-# define BOOST_PP_ADD_O_I(x, y) (BOOST_PP_INC(x), BOOST_PP_DEC(y))
+# define NDNBOOST_PP_ADD_O_I(x, y) (NDNBOOST_PP_INC(x), NDNBOOST_PP_DEC(y))
 #
-# /* BOOST_PP_ADD_D */
+# /* NDNBOOST_PP_ADD_D */
 #
-# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
-#    define BOOST_PP_ADD_D(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
+# if ~NDNBOOST_PP_CONFIG_FLAGS() & NDNBOOST_PP_CONFIG_EDG()
+#    define NDNBOOST_PP_ADD_D(d, x, y) NDNBOOST_PP_TUPLE_ELEM(2, 0, NDNBOOST_PP_WHILE_ ## d(NDNBOOST_PP_ADD_P, NDNBOOST_PP_ADD_O, (x, y)))
 # else
-#    define BOOST_PP_ADD_D(d, x, y) BOOST_PP_ADD_D_I(d, x, y)
-#    define BOOST_PP_ADD_D_I(d, x, y) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_ADD_P, BOOST_PP_ADD_O, (x, y)))
+#    define NDNBOOST_PP_ADD_D(d, x, y) NDNBOOST_PP_ADD_D_I(d, x, y)
+#    define NDNBOOST_PP_ADD_D_I(d, x, y) NDNBOOST_PP_TUPLE_ELEM(2, 0, NDNBOOST_PP_WHILE_ ## d(NDNBOOST_PP_ADD_P, NDNBOOST_PP_ADD_O, (x, y)))
 # endif
 #
 # endif