diff --git a/include/boost/utility/value_init.hpp b/include/boost/utility/value_init.hpp
index d1f7fd3..7b6894f 100644
--- a/include/boost/utility/value_init.hpp
+++ b/include/boost/utility/value_init.hpp
@@ -52,7 +52,7 @@ struct select_base
 } // namespace vinit_detail
 
 template<class T>
-class value_initialized : vinit_detail::select_base<T>::type
+class value_initialized : private vinit_detail::select_base<T>::type
 {
   public :