@ -865,6 +865,12 @@ client_dispatch_wait(struct imsg *imsg)
case MSG_WRITE_CLOSE:
client_write_close(data, datalen);
break;
case MSG_OLDSTDERR:
case MSG_OLDSTDIN:
case MSG_OLDSTDOUT:
fprintf(stderr, "server version is too old for client\n");
proc_exit(client_proc);
}