diff --git a/include/boost/config/auto_link.hpp b/include/boost/config/auto_link.hpp
index d4f3eabf8..c71e8035d 100644
--- a/include/boost/config/auto_link.hpp
+++ b/include/boost/config/auto_link.hpp
@@ -166,10 +166,10 @@ BOOST_LIB_VERSION:    The Boost version, in the form x_y, for Boost version x.y.
      // vc14:
 #    define BOOST_LIB_TOOLSET "vc140"
 
-# elif defined(BOOST_MSVC)
+#  elif defined(BOOST_MSVC)
 
-   // vc15:
-#  define BOOST_LIB_TOOLSET "vc150"
+     // vc14.1:
+#    define BOOST_LIB_TOOLSET "vc141"
 
 #  elif defined(__BORLANDC__)