diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 2e95a153912c..babba61eb335 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -837,6 +837,7 @@ static void iso_sock_disconn(struct sock *sk)
 	sk->sk_state = BT_DISCONN;
 	iso_conn_lock(iso_pi(sk)->conn);
 	hci_conn_drop(iso_pi(sk)->conn->hcon);
+	iso_pi(sk)->conn->hcon->iso_data = NULL;
 	iso_pi(sk)->conn->hcon = NULL;
 	iso_conn_unlock(iso_pi(sk)->conn);
 }