diff --git a/include/boost/mpl/aux_/has_xxx.hpp b/include/boost/mpl/aux_/has_xxx.hpp
index 5b65966..5afc6f8 100644
--- a/include/boost/mpl/aux_/has_xxx.hpp
+++ b/include/boost/mpl/aux_/has_xxx.hpp
@@ -26,7 +26,7 @@
 #if !defined(BOOST_MPL_BROKEN_OVERLOAD_RESOLUTION) && (!defined(__GNUC__) || __GNUC__ == 3)
 
 #   if (!defined(BOOST_MSVC) || BOOST_MSVC > 1300) \
-    && (!defined _MSC_VER || defined(BOOST_INTEL_CXX_VERSION))
+    && (!defined(BOOST_INTEL_CXX_VERSION) || BOOST_INTEL_CXX_VERSION > 500)
 
 // the implementation below is based on a USENET newsgroup's posting by  
 // Rani Sharoni (comp.lang.c++.moderated, 2002-03-17 07:45:09 PST)