diff --git a/hosts/jazz.nix b/hosts/jazz.nix
index 3d30e09..cfca48b 100644
--- a/hosts/jazz.nix
+++ b/hosts/jazz.nix
@@ -10,7 +10,8 @@
   nixos-system = true;
   machine-id = "2f6c424858f5401098f79cee215e3268";
   master-key = {
-    public-key = "";
+    public-key =
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPw2lRIAf7aC5bPO1AALAx9FPEFNJr1Qn5rxB1ahmX8p";
     key-path = "/state/master-key/key";
   };
 }