diff --git a/include/ndnboost/preprocessor/arithmetic/mod.hpp b/include/ndnboost/preprocessor/arithmetic/mod.hpp
index aa85437..9f5754d 100644
--- a/include/ndnboost/preprocessor/arithmetic/mod.hpp
+++ b/include/ndnboost/preprocessor/arithmetic/mod.hpp
@@ -11,29 +11,29 @@
 #
 # /* See http://www.boost.org for most recent version. */
 #
-# ifndef BOOST_PREPROCESSOR_ARITHMETIC_MOD_HPP
-# define BOOST_PREPROCESSOR_ARITHMETIC_MOD_HPP
+# ifndef NDNBOOST_PREPROCESSOR_ARITHMETIC_MOD_HPP
+# define NDNBOOST_PREPROCESSOR_ARITHMETIC_MOD_HPP
 #
 # include <ndnboost/preprocessor/arithmetic/detail/div_base.hpp>
 # include <ndnboost/preprocessor/config/config.hpp>
 # include <ndnboost/preprocessor/tuple/elem.hpp>
 #
-# /* BOOST_PP_MOD */
+# /* NDNBOOST_PP_MOD */
 #
-# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
-#    define BOOST_PP_MOD(x, y) BOOST_PP_TUPLE_ELEM(3, 1, BOOST_PP_DIV_BASE(x, y))
+# if ~NDNBOOST_PP_CONFIG_FLAGS() & NDNBOOST_PP_CONFIG_EDG()
+#    define NDNBOOST_PP_MOD(x, y) NDNBOOST_PP_TUPLE_ELEM(3, 1, NDNBOOST_PP_DIV_BASE(x, y))
 # else
-#    define BOOST_PP_MOD(x, y) BOOST_PP_MOD_I(x, y)
-#    define BOOST_PP_MOD_I(x, y) BOOST_PP_TUPLE_ELEM(3, 1, BOOST_PP_DIV_BASE(x, y))
+#    define NDNBOOST_PP_MOD(x, y) NDNBOOST_PP_MOD_I(x, y)
+#    define NDNBOOST_PP_MOD_I(x, y) NDNBOOST_PP_TUPLE_ELEM(3, 1, NDNBOOST_PP_DIV_BASE(x, y))
 # endif
 #
-# /* BOOST_PP_MOD_D */
+# /* NDNBOOST_PP_MOD_D */
 #
-# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
-#    define BOOST_PP_MOD_D(d, x, y) BOOST_PP_TUPLE_ELEM(3, 1, BOOST_PP_DIV_BASE_D(d, x, y))
+# if ~NDNBOOST_PP_CONFIG_FLAGS() & NDNBOOST_PP_CONFIG_EDG()
+#    define NDNBOOST_PP_MOD_D(d, x, y) NDNBOOST_PP_TUPLE_ELEM(3, 1, NDNBOOST_PP_DIV_BASE_D(d, x, y))
 # else
-#    define BOOST_PP_MOD_D(d, x, y) BOOST_PP_MOD_D_I(d, x, y)
-#    define BOOST_PP_MOD_D_I(d, x, y) BOOST_PP_TUPLE_ELEM(3, 1, BOOST_PP_DIV_BASE_D(d, x, y))
+#    define NDNBOOST_PP_MOD_D(d, x, y) NDNBOOST_PP_MOD_D_I(d, x, y)
+#    define NDNBOOST_PP_MOD_D_I(d, x, y) NDNBOOST_PP_TUPLE_ELEM(3, 1, NDNBOOST_PP_DIV_BASE_D(d, x, y))
 # endif
 #
 # endif