diff --git a/include/boost/regex/v4/sub_match.hpp b/include/boost/regex/v4/sub_match.hpp
index e35ec6e4..b21f4fab 100644
--- a/include/boost/regex/v4/sub_match.hpp
+++ b/include/boost/regex/v4/sub_match.hpp
@@ -44,7 +44,8 @@ struct sub_match : public std::pair<BidiIterator, BidiIterator>
    sub_match(BidiIterator i) : std::pair<BidiIterator, BidiIterator>(i, i), matched(false) {}
 #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\
                && !BOOST_WORKAROUND(BOOST_MSVC, < 1310)\
-               && !BOOST_WORKAROUND(__BORLANDC__, <= 0x0551)
+               && !BOOST_WORKAROUND(__BORLANDC__, <= 0x0551)\
+               && !BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042))
    template <class T, class A>
    operator std::basic_string<value_type, T, A> ()const
    {