diff --git a/include/boost/regex/config.hpp b/include/boost/regex/config.hpp
index 6b7db45d..e8cec5b7 100644
--- a/include/boost/regex/config.hpp
+++ b/include/boost/regex/config.hpp
@@ -170,7 +170,10 @@
 #  define BOOST_REGEX_HAS_OTHER_WCHAR_T
 #  ifdef BOOST_MSVC
 #     pragma warning(push)
-#     pragma warning(disable : 4251 4231 4660)
+#     pragma warning(disable : 4251 4231)
+#     if BOOST_MSVC < 1600
+#        pragma warning(disable : 4660)
+#     endif
 #  endif
 #  if defined(_DLL) && defined(BOOST_MSVC) && (BOOST_MSVC < 1600)
 #     include <string>
diff --git a/include/boost/regex/v4/basic_regex.hpp b/include/boost/regex/v4/basic_regex.hpp
index c96131be..0b63e3aa 100644
--- a/include/boost/regex/v4/basic_regex.hpp
+++ b/include/boost/regex/v4/basic_regex.hpp
@@ -36,7 +36,10 @@
 namespace boost{
 #ifdef BOOST_MSVC
 #pragma warning(push)
-#pragma warning(disable : 4251 4231 4660 4800)
+#pragma warning(disable : 4251 4231 4800)
+#if BOOST_MSVC < 1600
+#pragma warning(disable : 4660)
+#endif
 #endif
 
 namespace re_detail{
diff --git a/include/boost/regex/v4/instances.hpp b/include/boost/regex/v4/instances.hpp
index c62d136f..2839c0b7 100644
--- a/include/boost/regex/v4/instances.hpp
+++ b/include/boost/regex/v4/instances.hpp
@@ -84,7 +84,10 @@ template class BOOST_REGEX_DECL ::boost::re_detail::perl_matcher<BOOST_REGEX_CHA
 
 #  ifdef BOOST_MSVC
 #     pragma warning(push)
-#     pragma warning(disable : 4251 4231 4660)
+#     pragma warning(disable : 4251 4231)
+#     if BOOST_MSVC < 1600
+#     pragma warning(disable : 4660)
+#     endif
 #  endif
 
 template class BOOST_REGEX_TEMPLATE_DECL basic_regex< BOOST_REGEX_CHAR_T BOOST_REGEX_TRAITS_T >;
diff --git a/include/boost/regex/v4/match_results.hpp b/include/boost/regex/v4/match_results.hpp
index ca9898f4..63e51175 100644
--- a/include/boost/regex/v4/match_results.hpp
+++ b/include/boost/regex/v4/match_results.hpp
@@ -33,7 +33,10 @@
 namespace boost{
 #ifdef BOOST_MSVC
 #pragma warning(push)
-#pragma warning(disable : 4251 4231 4660)
+#pragma warning(disable : 4251 4231)
+#  if BOOST_MSVC < 1600
+#     pragma warning(disable : 4660)
+#  endif
 #endif
 
 namespace re_detail{
diff --git a/include/boost/regex/v4/perl_matcher.hpp b/include/boost/regex/v4/perl_matcher.hpp
index 52cc55cc..ddaafbd7 100644
--- a/include/boost/regex/v4/perl_matcher.hpp
+++ b/include/boost/regex/v4/perl_matcher.hpp
@@ -344,7 +344,10 @@ struct recursion_info
 
 #ifdef BOOST_MSVC
 #pragma warning(push)
-#pragma warning(disable : 4251 4231 4660)
+#pragma warning(disable : 4251 4231)
+#  if BOOST_MSVC < 1600
+#     pragma warning(disable : 4660)
+#  endif
 #endif
 
 template <class BidiIterator, class Allocator, class traits>