diff --git a/include/ndnboost/smart_ptr/detail/atomic_count_gcc_x86.hpp b/include/ndnboost/smart_ptr/detail/atomic_count_gcc_x86.hpp
index 60ac65c..04b1e1d 100644
--- a/include/ndnboost/smart_ptr/detail/atomic_count_gcc_x86.hpp
+++ b/include/ndnboost/smart_ptr/detail/atomic_count_gcc_x86.hpp
@@ -1,5 +1,5 @@
-#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
+#ifndef NDNBOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
+#define NDNBOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
 
 //
 //  ndnboost/detail/atomic_count_gcc_x86.hpp
@@ -74,4 +74,4 @@
 
 } // namespace ndnboost
 
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
+#endif // #ifndef NDNBOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED