diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index fcaac48..f42492d 100644
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -1429,7 +1429,7 @@
 		goto put;
 
 	if (tty && (intr & IntrBreak) && !I_IGNBRK(tty)) { /* BREAK */
-		tty_insert_flip_char(tty, 0, TTY_BREAK);
+		tty_insert_flip_char(&p->port, 0, TTY_BREAK);
 		tty_schedule_flip(tty);
 	}