diff --git a/README.md b/README.md
index e411b6d..3673232 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ In addition some of the scripts required for installation will destroy your data
 
 1. `nix-shell`
 2. `sudo python3 scripts/format-disk.py`
-4. `sudo nixos-install --flake ~/nixos#SYSTEMNAME`
+4. `sudo nixos-install --root /mnt --flake ~/nixos#SYSTEMNAME`
 
 ## Non-Nixos System