diff --git a/include/ndnboost/functional/hash/hash_fwd.hpp b/include/ndnboost/functional/hash/hash_fwd.hpp
index 06babfb..10d2715 100644
--- a/include/ndnboost/functional/hash/hash_fwd.hpp
+++ b/include/ndnboost/functional/hash/hash_fwd.hpp
@@ -7,8 +7,8 @@
 //  http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
 //  issue 6.18. 
 
-#if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP)
-#define BOOST_FUNCTIONAL_HASH_FWD_HPP
+#if !defined(NDNBOOST_FUNCTIONAL_HASH_FWD_HPP)
+#define NDNBOOST_FUNCTIONAL_HASH_FWD_HPP
 
 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
 # pragma once
@@ -22,7 +22,7 @@
 {
     template <class T> struct hash;
 
-#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+#if NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1300)
     template <class T> void hash_combine(std::size_t& seed, T& v);
 #else
     template <class T> void hash_combine(std::size_t& seed, T const& v);
@@ -31,7 +31,7 @@
     template <class It> std::size_t hash_range(It, It);
     template <class It> void hash_range(std::size_t&, It, It);
 
-#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+#if NDNBOOST_WORKAROUND(__BORLANDC__, NDNBOOST_TESTED_AT(0x551))
     template <class T> inline std::size_t hash_range(T*, T*);
     template <class T> inline void hash_range(std::size_t&, T*, T*);
 #endif