diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 9f1a1a318a3d..dbf3104e20b5 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -335,8 +335,10 @@ static void acm_ctrl_irq(struct urb *urb)
 			acm->iocount.dsr++;
 		if (difference & ACM_CTRL_DCD)
 			acm->iocount.dcd++;
-		if (newctrl & ACM_CTRL_BRK)
+		if (newctrl & ACM_CTRL_BRK) {
 			acm->iocount.brk++;
+			tty_insert_flip_char(&acm->port, 0, TTY_BREAK);
+		}
 		if (newctrl & ACM_CTRL_RI)
 			acm->iocount.rng++;
 		if (newctrl & ACM_CTRL_FRAMING)