diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 202a845e0236..fa683bb7f0b4 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2721,6 +2721,11 @@ static void btusb_mtk_claim_iso_intf(struct btusb_data *data)
 	if (!btmtk_data)
 		return;
 
+	if (!btmtk_data->isopkt_intf) {
+		bt_dev_err(data->hdev, "Can't claim NULL iso interface");
+		return;
+	}
+
 	/*
 	 * The function usb_driver_claim_interface() is documented to need
 	 * locks held if it's not called from a probe routine. The code here