diff --git a/include/boost/preprocessor/seq/detail/split.hpp b/include/boost/preprocessor/seq/detail/split.hpp
index 5c75083..75e7036 100644
--- a/include/boost/preprocessor/seq/detail/split.hpp
+++ b/include/boost/preprocessor/seq/detail/split.hpp
@@ -16,7 +16,12 @@
 # /* BOOST_PP_SEQ_SPLIT */
 #
 # define BOOST_PP_SEQ_SPLIT(n, seq) BOOST_PP_SEQ_SPLIT_D(n, seq)
-# define BOOST_PP_SEQ_SPLIT_D(n, seq) (BOOST_PP_SEQ_SPLIT_ ## n seq)
+#
+# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
+#    define BOOST_PP_SEQ_SPLIT_D(n, seq) (BOOST_PP_SEQ_SPLIT_ ## n seq)
+# else
+#    define BOOST_PP_SEQ_SPLIT_D(n, seq) (BOOST_PP_SEQ_SPLIT_ ## n ## seq)
+# endif
 #
 # define BOOST_PP_SEQ_SPLIT_1(x) (x),
 # define BOOST_PP_SEQ_SPLIT_2(x) (x) BOOST_PP_SEQ_SPLIT_1