diff --git a/board/czechlight/clearfog/overlay/usr/lib/systemd/system/save-machineid-to-uboot.service b/board/czechlight/clearfog/overlay/usr/lib/systemd/system/save-machineid-to-uboot.service
new file mode 100644
index 0000000..892411b
--- /dev/null
+++ b/board/czechlight/clearfog/overlay/usr/lib/systemd/system/save-machineid-to-uboot.service
@@ -0,0 +1,6 @@
+[Unit]
+Description=Save the machine-id into U-Boot environment if not set
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c 'fw_printenv machineid &>/dev/null || fw_setenv machineid $(cat /etc/machine-id)'