diff --git a/mkrootfs.sh b/mkrootfs.sh
index 1b3c92e..6238ab6 100755
--- a/mkrootfs.sh
+++ b/mkrootfs.sh
@@ -21,7 +21,7 @@ yes y | sudo pacman \
     --sync --clean --clean
 
 msg "Set root password (Default: archriscv)..."
-usermod --root ./rootfs --password $(perl -e "print crypt('archriscv','yescrypt')") root
+sudo usermod --root (realpath ./rootfs) --password $(perl -e "print crypt('archriscv','yescrypt')") root
 
 msg "Compressing rootfs..."
 sudo bsdtar --create --zstd --verbose --xattrs --acls -f "archriscv-$(date --rfc-3339=date).tar.zst" -C rootfs/ .