diff --git a/nix/os/devices/disk.nix b/nix/os/devices/disk.nix
index 73796f7..8a925f5 100644
--- a/nix/os/devices/disk.nix
+++ b/nix/os/devices/disk.nix
@@ -28,11 +28,11 @@ in rec {
 
   diskUmount = pkgs.writeScript "script" ''
     #!/usr/bin/env bash
-    set -xe
-    sudo umount -R ${mntRootVol}
+    set -x
+    sudo umount -Rl ${mntRootVol}
     sudo rmdir ${mntRootVol}
     sudo vgchange -an ${ownLib.disk.volumeGroup diskId}
-    sudo cryptsetup luksClose ${ownLib.disk.luksName diskId}
+    sudo cryptsetup close ${ownLib.disk.luksName diskId}
     sync
   '';