diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 814b6e9d92..3e9af55d17 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -2217,7 +2217,7 @@ PX4IO::print_status(bool extended_status)
 	       ((alarms & PX4IO_P_STATUS_ALARMS_PWM_ERROR)     ? " PWM_ERROR" : ""),
 	       ((alarms & PX4IO_P_STATUS_ALARMS_VSERVO_FAULT)  ? " VSERVO_FAULT" : ""));
 	/* now clear alarms */
-	io_reg_set(PX4IO_PAGE_STATUS, PX4IO_P_STATUS_ALARMS, 0xFFFF);
+	io_reg_set(PX4IO_PAGE_STATUS, PX4IO_P_STATUS_ALARMS, 0x0000);
 
 	if (_hardware == 2) {
 		printf("vservo %u mV vservo scale %u\n",