diff --git a/include/ndnboost/mpl/contains_fwd.hpp b/include/ndnboost/mpl/contains_fwd.hpp
index 035936c..5b4c2df 100644
--- a/include/ndnboost/mpl/contains_fwd.hpp
+++ b/include/ndnboost/mpl/contains_fwd.hpp
@@ -1,6 +1,6 @@
 
-#ifndef BOOST_MPL_CONTAINS_FWD_HPP_INCLUDED
-#define BOOST_MPL_CONTAINS_FWD_HPP_INCLUDED
+#ifndef NDNBOOST_MPL_CONTAINS_FWD_HPP_INCLUDED
+#define NDNBOOST_MPL_CONTAINS_FWD_HPP_INCLUDED
 
 // Copyright Eric Friedman 2002
 // Copyright Aleksey Gurtovoy 2004
@@ -22,4 +22,4 @@
 
 }}
 
-#endif // BOOST_MPL_CONTAINS_FWD_HPP_INCLUDED
+#endif // NDNBOOST_MPL_CONTAINS_FWD_HPP_INCLUDED