diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index 0e0041223a..49b062909d 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -170,7 +170,7 @@ else
 		param select-backup $PARAM_BACKUP_FILE
 	fi
 
-	if ver hwcmp PX4_FMU_V5X PX4_FMU_V6X ARK_FMU_V6X PX4_FMU_V6XRT
+	if mft query -q -k MFT -s MFT_ETHERNET -v 1
 	then
 		netman update -i eth0
 	fi