diff --git a/include/boost/logic/tribool_io.hpp b/include/boost/logic/tribool_io.hpp
index 0e16928..3a05927 100644
--- a/include/boost/logic/tribool_io.hpp
+++ b/include/boost/logic/tribool_io.hpp
@@ -104,9 +104,10 @@ template<>
 inline std::basic_string<char> get_default_indeterminate_name<char>()
 { return "indeterminate"; }
 
-#if BOOST_WORKAROUND(BOOST_MSVC, <= 1200)
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
 // VC++ 6.0 chokes on the specialization below, so we're stuck without 
-// wchar_t support. What a pain.
+// wchar_t support. What a pain. TODO: it might just need a the template 
+// parameter as function parameter...
 #else
 #  ifndef BOOST_NO_WCHAR_T
 /// Returns the wide character string L"indeterminate".