diff --git a/board/czechlight/clearfog/usb-boot.scr.txt b/board/czechlight/clearfog/usb-boot.scr.txt
index 0227a74..c3ca6e8 100644
--- a/board/czechlight/clearfog/usb-boot.scr.txt
+++ b/board/czechlight/clearfog/usb-boot.scr.txt
@@ -1,4 +1,4 @@
-setenv bootargs systemd.unit=emergency.target
+setenv bootargs systemd.unit=usb-flash.service
 fatload usb 0:1 ${kernel_addr_r} zImage
 fatload usb 0:1 ${fdt_addr_r} czechlight-clearfog.dtb
 fatload usb 0:1 ${ramdisk_addr_r} rootfs.cpio.uboot