diff --git a/include/boost/config/compiler/comeau.hpp b/include/boost/config/compiler/comeau.hpp
index d604308f..9f6ed76b 100644
--- a/include/boost/config/compiler/comeau.hpp
+++ b/include/boost/config/compiler/comeau.hpp
@@ -15,9 +15,13 @@
 #include "boost/config/compiler/common_edg.hpp"
 
 #if (__COMO_VERSION__ <= 4245) || !defined(BOOST_STRICT_CONFIG)
+
+#  ifdef _WIN32
+#     define BOOST_NO_SWPRINTF
+#  endif
+
 #  if defined(_MSC_VER) && _MSC_VER <= 1300
 #     define BOOST_NO_STDC_NAMESPACE
-#     define BOOST_NO_SWPRINTF
 #     if _MSC_VER > 100
          // only set this in non-strict mode:
 #        define BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP