diff --git a/drivers/usb/pd/policy_engine.c b/drivers/usb/pd/policy_engine.c
index 20905996216b..e0a93c2bff13 100644
--- a/drivers/usb/pd/policy_engine.c
+++ b/drivers/usb/pd/policy_engine.c
@@ -1991,7 +1991,7 @@ static void handle_get_battery_status(struct usbpd *pd, struct rx_msg *rx_msg)
 		return;
 	}
 
-	bat_num = rx_msg->payload[2];
+	bat_num = rx_msg->payload[0];
 
 	if (bat_num) {
 		usbpd_warn(&pd->dev, "Battery %d unsupported\n", bat_num);