diff --git a/include/boost/intrusive/pack_options.hpp b/include/boost/intrusive/pack_options.hpp
index 0ae349d..66761d7 100644
--- a/include/boost/intrusive/pack_options.hpp
+++ b/include/boost/intrusive/pack_options.hpp
@@ -251,6 +251,8 @@ struct OPTION_NAME \
 template< TYPE VALUE> \
 struct OPTION_NAME \
 { \
+   static const TYPE value = VALUE; \
+ \
    template<class Base> \
    struct pack : Base \
    { \