diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index a6311310dcaacad612e0050d8b8e7248a95c7f03..561f1f67f32ea42656cdf18cafd7fe51ebf4d79f 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -810,6 +810,8 @@ static void mkiss_close(struct tty_struct *tty)
 	kfree(ax->xbuff);
 
 	ax->tty = NULL;
+
+	free_netdev(ax->dev);
 }
 
 /* Perform I/O control on an active ax25 channel. */