diff --git a/include/boost/type_traits/type_with_alignment.hpp b/include/boost/type_traits/type_with_alignment.hpp
index 69868b6..104169a 100644
--- a/include/boost/type_traits/type_with_alignment.hpp
+++ b/include/boost/type_traits/type_with_alignment.hpp
@@ -137,6 +137,9 @@ struct a16{ long double s; };
 }
 
 namespace detail {
+
+typedef ::boost::align::a16 max_align;
+
 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,::boost::align::a2,true)
 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,::boost::align::a4,true)
 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,::boost::align::a8,true)