diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index 8bab93fbc0..3b780f9e75 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -250,7 +250,7 @@ then
 		set MODE custom
 	fi
 
-	if param compare SYS_AUTOSTART 6013 13
+	if param compare SYS_AUTOSTART 7013 13
 	then
 		set MIXER /etc/mixers/FMU_hex_+.mix
 		sh /etc/init.d/12-13_hex