diff --git a/include/ndnboost/scoped_ptr.hpp b/include/ndnboost/scoped_ptr.hpp
index c2178d1..f43bb43 100644
--- a/include/ndnboost/scoped_ptr.hpp
+++ b/include/ndnboost/scoped_ptr.hpp
@@ -1,5 +1,5 @@
-#ifndef BOOST_SCOPED_PTR_HPP_INCLUDED
-#define BOOST_SCOPED_PTR_HPP_INCLUDED
+#ifndef NDNBOOST_SCOPED_PTR_HPP_INCLUDED
+#define NDNBOOST_SCOPED_PTR_HPP_INCLUDED
 
 //  (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
 //  Copyright (c) 2001, 2002 Peter Dimov
@@ -13,4 +13,4 @@
 
 #include <ndnboost/smart_ptr/scoped_ptr.hpp>
 
-#endif // #ifndef BOOST_SCOPED_PTR_HPP_INCLUDED
+#endif // #ifndef NDNBOOST_SCOPED_PTR_HPP_INCLUDED