diff --git a/include/boost/intrusive/derivation_value_traits.hpp b/include/boost/intrusive/derivation_value_traits.hpp index fb5d8ae..38c5aa5 100644 --- a/include/boost/intrusive/derivation_value_traits.hpp +++ b/include/boost/intrusive/derivation_value_traits.hpp @@ -15,6 +15,7 @@ #include #include +#include #include namespace boost {