diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 15b33579007c..757ff04bb5d8 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -13,6 +13,8 @@ static const struct class bt_class = {
 static void bt_link_release(struct device *dev)
 {
 	struct hci_conn *conn = to_hci_conn(dev);
+	struct sco_conn *scn = container_of(conn, struct sco_conn, hci_conn);
+	scn->hci_conn = NULL;
 	kfree(conn);
 }