diff --git a/README.md b/README.md
index a975b65..0e137b3 100644
--- a/README.md
+++ b/README.md
@@ -6,5 +6,5 @@ Nix setup for server
 
 ```bash
 curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --determinate
-nix run home-manager -- switch --flake github:cupcakearmy/nix-cli#root
+nix run home-manager -- switch --flake github:cupcakearmy/nix-cli#root -b bkp
 ```