diff --git a/include/boost/type_traits/detail/has_binary_operator.hpp b/include/boost/type_traits/detail/has_binary_operator.hpp
index 8d44ddd..7bc783a 100644
--- a/include/boost/type_traits/detail/has_binary_operator.hpp
+++ b/include/boost/type_traits/detail/has_binary_operator.hpp
@@ -37,7 +37,7 @@
 #   pragma GCC system_header
 #elif defined(BOOST_MSVC)
 #   pragma warning ( push )
-#   pragma warning ( disable : 4018 4244 4547 4800 4804 4805 4913 )
+#   pragma warning ( disable : 4018 4244 4547 4800 4804 4805 4913 6334)
 #endif
 
 namespace boost {
diff --git a/include/boost/type_traits/detail/has_postfix_operator.hpp b/include/boost/type_traits/detail/has_postfix_operator.hpp
index a305b3b..2a6c706 100644
--- a/include/boost/type_traits/detail/has_postfix_operator.hpp
+++ b/include/boost/type_traits/detail/has_postfix_operator.hpp
@@ -23,7 +23,7 @@
 #   pragma GCC system_header
 #elif defined(BOOST_MSVC)
 #   pragma warning ( push )
-#   pragma warning ( disable : 4244 4913 )
+#   pragma warning ( disable : 4244 4913 6334)
 #endif
 
 namespace boost {
diff --git a/include/boost/type_traits/detail/has_prefix_operator.hpp b/include/boost/type_traits/detail/has_prefix_operator.hpp
index bbfc93d..72279e7 100644
--- a/include/boost/type_traits/detail/has_prefix_operator.hpp
+++ b/include/boost/type_traits/detail/has_prefix_operator.hpp
@@ -31,7 +31,7 @@
 #   pragma GCC system_header
 #elif defined(BOOST_MSVC)
 #   pragma warning ( push )
-#   pragma warning ( disable : 4146 4804 4913 4244 )
+#   pragma warning ( disable : 4146 4804 4913 4244 6334)
 #endif
 
 namespace boost {