diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index c7f71cb8ee1ffed079158efe6ec2cac3b4c2eb28..e63beab3d1c3484a00defae0cb5778c02b515592 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1574,6 +1574,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
 		bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
 		ldata->canon_head = ldata->read_tail;
 		ldata->erasing = 0;
+		ldata->lnext = 0;
 	}
 
 	if (canon_change && !L_ICANON(tty) && read_cnt(ldata))