diff --git a/hosts/lifebook/default.nix b/hosts/lifebook/default.nix
index e9a40a4..e453284 100644
--- a/hosts/lifebook/default.nix
+++ b/hosts/lifebook/default.nix
@@ -20,7 +20,7 @@
   myDesktop.laptop.lidSwitch        = "suspend-then-hibernate";
   myDesktop.laptop.hibernateDelaySec = "1h";
 
-  myDesktop.nitrokey.enable = true;
+  myDesktop.git.signingKey = "/home/${user}/.ssh/id_ed25519_sk_rk_blackred";
 
   myDesktop.syncthing.enable  = true;
   myDesktop.syncthing.devices = {