diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 3b42afb6cf..24ece42988 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -3267,19 +3267,19 @@ px4io_main(int argc, char *argv[])
 		exit(0);
 	}
 
-	if (!strcmp(argv[1], "safety_arm")) {
+	if (!strcmp(argv[1], "safety_off")) {
 		int ret = g_dev->ioctl(NULL, PWM_SERVO_SET_FORCE_SAFETY_OFF, 0);
 		if (ret != OK) {
-			printf("failed to arm px4io\n");
+			printf("failed to disable safety\n");
 			exit(1);
 		}
 		exit(0);
 	}
 
-	if (!strcmp(argv[1], "safety_disarm")) {
+	if (!strcmp(argv[1], "safety_on")) {
 		int ret = g_dev->ioctl(NULL, PWM_SERVO_SET_FORCE_SAFETY_ON, 0);
 		if (ret != OK) {
-			printf("failed to disarm px4io\n");
+			printf("failed to enable safety\n");
 			exit(1);
 		}
 		exit(0);
@@ -3412,6 +3412,6 @@ px4io_main(int argc, char *argv[])
 
 out:
 	errx(1, "need a command, try 'start', 'stop', 'status', 'test', 'monitor', 'debug <level>',\n"
-	        "'recovery', 'limit <rate>', 'current', 'bind', 'checkcrc', 'safety_arm', 'safety_disarm',\n"
+	        "'recovery', 'limit <rate>', 'current', 'bind', 'checkcrc', 'safety_on', 'safety_off',\n"
 	        "'forceupdate', 'update', 'sbus1_out', 'sbus2_out', 'rssi_analog' or 'rssi_pwm'");
 }