diff --git a/include/boost/config/compiler/intel.hpp b/include/boost/config/compiler/intel.hpp
index b2f1fc2e..756cc7eb 100644
--- a/include/boost/config/compiler/intel.hpp
+++ b/include/boost/config/compiler/intel.hpp
@@ -51,7 +51,7 @@
 #endif
 
 #if _MSC_VER+0 >= 1000
-#  ifndef _WCHAR_T_DEFINED
+#  ifndef _NATIVE_WCHAR_T_DEFINED
 #     define BOOST_NO_INTRINSIC_WCHAR_T
 #  endif
 #  if _MSC_VER >= 1200