diff --git a/include/ndnboost/smart_ptr/detail/sp_counted_base_sync.hpp b/include/ndnboost/smart_ptr/detail/sp_counted_base_sync.hpp
index 6ee7fac..faa36e8 100644
--- a/include/ndnboost/smart_ptr/detail/sp_counted_base_sync.hpp
+++ b/include/ndnboost/smart_ptr/detail/sp_counted_base_sync.hpp
@@ -1,5 +1,5 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
+#ifndef NDNBOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
+#define NDNBOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
 
 // MS compatible compilers support #pragma once
 
@@ -153,4 +153,4 @@
 
 } // namespace ndnboost
 
-#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED
+#endif  // #ifndef NDNBOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED