diff --git a/drivers/usbhid-ups.c b/drivers/usbhid-ups.c
index 3e07556..0577b9c 100644
--- a/drivers/usbhid-ups.c
+++ b/drivers/usbhid-ups.c
@@ -1588,6 +1588,7 @@ static int reconnect_ups(void)
    alarms. */
 static void ups_alarm_set(void)
 {
+	fprintf(stdout, "%d\n", ups_status & STATUS(NOBATTERY));
 	if (ups_status & STATUS(REPLACEBATT)) {
 		alarm_set("Replace battery!");
 	}