diff --git a/include/boost/preprocessor/control/while.hpp b/include/boost/preprocessor/control/while.hpp
index 83c6d24..2b5c02a 100644
--- a/include/boost/preprocessor/control/while.hpp
+++ b/include/boost/preprocessor/control/while.hpp
@@ -41,6 +41,8 @@
 #
 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
 #    include <boost/preprocessor/control/detail/edg/while.hpp>
+# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
+#    include <boost/preprocessor/control/detail/msvc/while.hpp>
 # else
 #    include <boost/preprocessor/control/detail/while.hpp>
 # endif