diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index f64582b..7c58669 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -95,8 +95,10 @@
 {
 	if (buf->valid == 0)
 		return;
-	if (audit_enabled == 0)
+	if (audit_enabled == 0) {
+		buf->valid = 0;
 		return;
+	}
 	tty_audit_log("tty", tsk, loginuid, sessionid, buf->major, buf->minor,
 		      buf->data, buf->valid);
 	buf->valid = 0;