diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 7657c2a0abbf..2e70c0df9ef3 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -1340,6 +1340,11 @@ static int iso_listen_bis(struct sock *sk)
 	hci_dev_lock(hdev);
 	lock_sock(sk);
 
+	if (sk->sk_state != BT_BOUND || iso_pi(sk)->conn) {
+		err = -EBADFD;
+		goto unlock;
+	}
+
 	/* Fail if user set invalid QoS */
 	if (iso_pi(sk)->qos_user_set && !check_bcast_qos(&iso_pi(sk)->qos)) {
 		iso_pi(sk)->qos = default_qos;