diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 6cf87d7..45d9161 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -473,7 +473,7 @@
 	struct tty_ldisc *disc;
 
 	tty = port->itty;
-	if (WARN_RATELIMIT(tty == NULL, "tty is NULL"))
+	if (WARN_RATELIMIT(tty == NULL, "tty is NULL\n"))
 		return;
 
 	disc = tty_ldisc_ref(tty);