diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index 3408b4ad53..0d814848c6 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -323,7 +323,7 @@ then
 
 	if param compare SYS_AUTOSTART 33
 	then
-		sh /etc/init.d/32_io_wingwing
+		sh /etc/init.d/33_io_wingwing
 		set MODE custom
 	fi