diff --git a/include/ndnboost/type_traits/has_unary_minus.hpp b/include/ndnboost/type_traits/has_unary_minus.hpp
index aba9b00..0f795da 100644
--- a/include/ndnboost/type_traits/has_unary_minus.hpp
+++ b/include/ndnboost/type_traits/has_unary_minus.hpp
@@ -6,20 +6,20 @@
 //
 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
 
-#ifndef BOOST_TT_HAS_UNARY_MINUS_HPP_INCLUDED
-#define BOOST_TT_HAS_UNARY_MINUS_HPP_INCLUDED
+#ifndef NDNBOOST_TT_HAS_UNARY_MINUS_HPP_INCLUDED
+#define NDNBOOST_TT_HAS_UNARY_MINUS_HPP_INCLUDED
 
-#define BOOST_TT_TRAIT_NAME has_unary_minus
-#define BOOST_TT_TRAIT_OP -
-#define BOOST_TT_FORBIDDEN_IF\
+#define NDNBOOST_TT_TRAIT_NAME has_unary_minus
+#define NDNBOOST_TT_TRAIT_OP -
+#define NDNBOOST_TT_FORBIDDEN_IF\
    /* pointer */\
    ::ndnboost::is_pointer< Rhs_noref >::value
 
 
 #include <ndnboost/type_traits/detail/has_prefix_operator.hpp>
 
-#undef BOOST_TT_TRAIT_NAME
-#undef BOOST_TT_TRAIT_OP
-#undef BOOST_TT_FORBIDDEN_IF
+#undef NDNBOOST_TT_TRAIT_NAME
+#undef NDNBOOST_TT_TRAIT_OP
+#undef NDNBOOST_TT_FORBIDDEN_IF
 
 #endif