-AC_DEFINE_UNQUOTED(STANDARD_INCLUDE_DIR, "${sdcc_datadir}/sdcc51inc")
-AC_DEFINE_UNQUOTED(SDCC_INCLUDE_DIR, "${sdcc_datadir}/sdcc51inc")
-AC_DEFINE_UNQUOTED(SDCC_LIB_DIR, "${sdcc_datadir}/sdcc51lib")
+AC_DEFINE_UNQUOTED(STANDARD_INCLUDE_DIR, "${sdcc_datadir}/include")
+AC_DEFINE_UNQUOTED(SDCC_INCLUDE_DIR, "${sdcc_datadir}/include")
+AC_DEFINE_UNQUOTED(SDCC_LIB_DIR, "${sdcc_datadir}/lib")