- rb_helper_write(authd_helper, "C %x %s %hu %s %hu", authd_cid, listen_ipaddr, listen_port, client_ipaddr, client_port);
+ rb_helper_write(authd_helper, "C %x %s %hu %s %hu %x", authd_cid, listen_ipaddr, listen_port, client_ipaddr, client_port,
+#ifdef HAVE_LIBSCTP
+ IsSCTP(client_p) ? IPPROTO_SCTP : IPPROTO_TCP);
+#else
+ IPPROTO_TCP);
+#endif