diff --git a/include/boost/type_traits/is_integral.hpp b/include/boost/type_traits/is_integral.hpp
index cfd5d4f..c3d1381 100644
--- a/include/boost/type_traits/is_integral.hpp
+++ b/include/boost/type_traits/is_integral.hpp
@@ -39,7 +39,7 @@ BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_integral,char,true)
 BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_integral,wchar_t,true)
 #endif
 
-#if (defined(BOOST_MSVC) && (BOOST_MSVC == 1200)) || (defined(__INTEL_COMPILER) && defined(_MSC_VER) && (_MSC_VER <= 1300))
+#if (defined(BOOST_MSVC) && (BOOST_MSVC == 1200)) || (defined(BOOST_INTEL_CXX_VERSION) && defined(_MSC_VER) && (BOOST_INTEL_CXX_VERSION <= 600))
 BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_integral,unsigned __int8,true)
 BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_integral,__int8,true)
 BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_integral,unsigned __int16,true)