1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 2da05fa37aec..6a8563633d4b 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -375,10 +375,11 @@ int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag)
         struct tty_buffer *tb = port->buf.tail;
         int flags = (flag == TTY_NORMAL) ? TTYB_NORMAL : 0;
 
-        if (!tty_buffer_request_room(port, 1))
+        if (!__tty_buffer_request_room(port, 1, flags))
                 return 0;
 
-        *flag_buf_ptr(tb, tb->used) = flag;
+        if (~tb->flags & TTYB_NORMAL)
+                *flag_buf_ptr(tb, tb->used) = flag;
         *char_buf_ptr(tb, tb->used++) = ch;
 
         return 1;