diff --git a/mk/PX4/ROMFS/init.d/rc.APM b/mk/PX4/ROMFS/init.d/rc.APM
index a8c8befc30..fb869cb7ee 100644
--- a/mk/PX4/ROMFS/init.d/rc.APM
+++ b/mk/PX4/ROMFS/init.d/rc.APM
@@ -423,6 +423,12 @@ then
     echo "oreoled started OK"
 fi
 
+# optional irlock
+if irlock start
+then
+    echo "irlock started"
+fi
+
 if [ $BOARD == FMUv2 ]
 then
   # the ramtron on FMUv2 is very fast and can handle trillions of