diff --git a/include/boost/config.hpp b/include/boost/config.hpp
index ff5c2d89..9f4a304e 100644
--- a/include/boost/config.hpp
+++ b/include/boost/config.hpp
@@ -445,9 +445,7 @@
 
 //  end of compiler specific portion  ----------------------------------------//
 
-#if defined(BOOST_NO_LIMITS) || \
-  (defined(_RWSTD_VER) && defined(__BORLANDC__) && _RWSTD_VER < 0x020300) || \
-  (defined(__SGI_STL_PORT) && __SGI_STL_PORT <= 0x410 && __STL_STATIC_CONST_INIT_BUG)
+#if defined(BOOST_NO_LIMITS) || (defined(_RWSTD_VER) && defined(__BORLANDC__) && _RWSTD_VER < 0x020300) || (defined(__SGI_STL_PORT) && __SGI_STL_PORT <= 0x410 && __STL_STATIC_CONST_INIT_BUG)
 // STLPort 4.0 doesn't define the static constants in numeric_limits<> so that they
 // can be used at compile time if the compiler bug indicated by
 // __STL_STATIC_CONST_INIT_BUG is present.