diff --git a/config.m4.in b/config.m4.in
index fd9906bf91702237f31b7bbaba3273fabe857cfa..e7e3ae29df448fc40ec8c8b610242ed234bb2e6e 100644
--- a/config.m4.in
+++ b/config.m4.in
@@ -1,6 +1,7 @@
 define(<srcdir>, <<@srcdir@>>)dnl
 define(<C_NAME>, <@ASM_SYMBOL_PREFIX@><$1>)
 define(<ELF_STYLE>, <@ASM_ELF_STYLE@>)
+define(<TYPE_FUNCTION>, <@ASM_TYPE_FUNCTION@>)
 divert(1)
 @ASM_MARK_NOEXEC_STACK@
 divert