diff --git a/include/ndnboost/range/functions.hpp b/include/ndnboost/range/functions.hpp
index 7fa535f..6aa2124 100644
--- a/include/ndnboost/range/functions.hpp
+++ b/include/ndnboost/range/functions.hpp
@@ -8,8 +8,8 @@
 // For more information, see http://www.boost.org/libs/range/
 //
 
-#ifndef BOOST_RANGE_FUNCTIONS_HPP
-#define BOOST_RANGE_FUNCTIONS_HPP
+#ifndef NDNBOOST_RANGE_FUNCTIONS_HPP
+#define NDNBOOST_RANGE_FUNCTIONS_HPP
 
 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
 # pragma once