diff --git a/include/ndnboost/iterator/detail/facade_iterator_category.hpp b/include/ndnboost/iterator/detail/facade_iterator_category.hpp
index c658c9f..4148793 100644
--- a/include/ndnboost/iterator/detail/facade_iterator_category.hpp
+++ b/include/ndnboost/iterator/detail/facade_iterator_category.hpp
@@ -1,8 +1,8 @@
 // Copyright David Abrahams 2003. Use, modification and distribution is
 // subject to the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-#ifndef FACADE_ITERATOR_CATEGORY_DWA20031118_HPP
-# define FACADE_ITERATOR_CATEGORY_DWA20031118_HPP
+#ifndef FACADE_ITERATOR_CATEGORY_NDNBOOST_DWA20031118_HPP
+# define FACADE_ITERATOR_CATEGORY_NDNBOOST_DWA20031118_HPP
 
 # include <ndnboost/iterator/iterator_categories.hpp>
 
@@ -197,4 +197,4 @@
 
 # include <ndnboost/iterator/detail/config_undef.hpp>
 
-#endif // FACADE_ITERATOR_CATEGORY_DWA20031118_HPP
+#endif // FACADE_ITERATOR_CATEGORY_NDNBOOST_DWA20031118_HPP