diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index d939bd705c71..a20347237170 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2576,8 +2576,11 @@ static int tty_tiocmset(struct tty_struct *tty, unsigned int cmd,
 		clear = ~val;
 		break;
 	}
-	set &= TIOCM_DTR|TIOCM_RTS|TIOCM_OUT1|TIOCM_OUT2|TIOCM_LOOP;
-	clear &= TIOCM_DTR|TIOCM_RTS|TIOCM_OUT1|TIOCM_OUT2|TIOCM_LOOP;
+
+	set &= TIOCM_DTR|TIOCM_RTS|TIOCM_OUT1|TIOCM_OUT2|TIOCM_LOOP|TIOCM_CD|
+		TIOCM_RI|TIOCM_DSR|TIOCM_CTS;
+	clear &= TIOCM_DTR|TIOCM_RTS|TIOCM_OUT1|TIOCM_OUT2|TIOCM_LOOP|TIOCM_CD|
+		TIOCM_RI|TIOCM_DSR|TIOCM_CTS;
 	return tty->ops->tiocmset(tty, set, clear);
 }