diff --git a/include/boost/preprocessor/seq/elem.hpp b/include/boost/preprocessor/seq/elem.hpp
index 9795839..9c7a4b2 100644
--- a/include/boost/preprocessor/seq/elem.hpp
+++ b/include/boost/preprocessor/seq/elem.hpp
@@ -12,6 +12,7 @@
 # ifndef BOOST_PREPROCESSOR_SEQ_ELEM_HPP
 # define BOOST_PREPROCESSOR_SEQ_ELEM_HPP
 #
+# include <boost/preprocessor/cat.hpp>
 # include <boost/preprocessor/config/config.hpp>
 # include <boost/preprocessor/facilities/empty.hpp>
 #
@@ -34,7 +35,11 @@
 #    define BOOST_PP_SEQ_ELEM_III(im) BOOST_PP_SEQ_ELEM_IV(im)
 #    define BOOST_PP_SEQ_ELEM_IV(x, _) x
 # else
-#    define BOOST_PP_SEQ_ELEM_I(i, seq) BOOST_PP_SEQ_ELEM_II(BOOST_PP_SEQ_ELEM_ ## i seq)
+#    if defined(__IBMC__) || defined(__IBMCPP__)
+#        define BOOST_PP_SEQ_ELEM_I(i, seq) BOOST_PP_SEQ_ELEM_II(BOOST_PP_CAT(BOOST_PP_SEQ_ELEM_ ## i, seq))
+#    else
+#        define BOOST_PP_SEQ_ELEM_I(i, seq) BOOST_PP_SEQ_ELEM_II(BOOST_PP_SEQ_ELEM_ ## i seq)
+#    endif
 #    define BOOST_PP_SEQ_ELEM_II(im) BOOST_PP_SEQ_ELEM_III(im)
 #    define BOOST_PP_SEQ_ELEM_III(x, _) x
 # endif