diff --git a/include/boost/config/compiler/comeau.hpp b/include/boost/config/compiler/comeau.hpp
index 24456461..9e727399 100644
--- a/include/boost/config/compiler/comeau.hpp
+++ b/include/boost/config/compiler/comeau.hpp
@@ -18,7 +18,7 @@
 
 // Void returns don't work when emulating VC 6 (Peter Dimov)
 
-#  if defined(_MSC_VER) && (_MSC_VER <= 1200)
+#  if defined(_MSC_VER) && (_MSC_VER == 1200)
 #     define BOOST_NO_VOID_RETURNS
 #  endif