diff --git a/include/ndnboost/mpl/iter_fold.hpp b/include/ndnboost/mpl/iter_fold.hpp
index 8dbaa6d..a8480b8 100644
--- a/include/ndnboost/mpl/iter_fold.hpp
+++ b/include/ndnboost/mpl/iter_fold.hpp
@@ -1,6 +1,6 @@
 
-#ifndef BOOST_MPL_ITER_FOLD_HPP_INCLUDED
-#define BOOST_MPL_ITER_FOLD_HPP_INCLUDED
+#ifndef NDNBOOST_MPL_ITER_FOLD_HPP_INCLUDED
+#define NDNBOOST_MPL_ITER_FOLD_HPP_INCLUDED
 
 // Copyright Aleksey Gurtovoy 2001-2004
 // Copyright David Abrahams 2001-2002
@@ -25,9 +25,9 @@
 namespace ndnboost { namespace mpl {
 
 template<
-      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
-    , typename BOOST_MPL_AUX_NA_PARAM(State)
-    , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
+      typename NDNBOOST_MPL_AUX_NA_PARAM(Sequence)
+    , typename NDNBOOST_MPL_AUX_NA_PARAM(State)
+    , typename NDNBOOST_MPL_AUX_NA_PARAM(ForwardOp)
     >
 struct iter_fold
 {
@@ -39,11 +39,11 @@
         , typename lambda<ForwardOp>::type
         >::state type;
 
-    BOOST_MPL_AUX_LAMBDA_SUPPORT(3,iter_fold,(Sequence,State,ForwardOp))
+    NDNBOOST_MPL_AUX_LAMBDA_SUPPORT(3,iter_fold,(Sequence,State,ForwardOp))
 };
 
-BOOST_MPL_AUX_NA_SPEC(3, iter_fold)
+NDNBOOST_MPL_AUX_NA_SPEC(3, iter_fold)
 
 }}
 
-#endif // BOOST_MPL_ITER_FOLD_HPP_INCLUDED
+#endif // NDNBOOST_MPL_ITER_FOLD_HPP_INCLUDED