diff --git a/ROMFS/px4fmu_common/init.d/rc.autostart b/ROMFS/px4fmu_common/init.d/rc.autostart
index b365bd6420..5d9e9502cb 100644
--- a/ROMFS/px4fmu_common/init.d/rc.autostart
+++ b/ROMFS/px4fmu_common/init.d/rc.autostart
@@ -136,6 +136,11 @@ then
 	sh /etc/init.d/4011_dji_f450
 fi
 
+if param compare SYS_AUTOSTART 4020
+then
+	sh /etc/init.d/4020_hk_micro_pcb
+fi
+
 #
 # Quad +
 #