diff --git a/hosts/hydra-1/configuration.nix b/hosts/hydra-1/configuration.nix
index 8aed4fb..2168e0a 100644
--- a/hosts/hydra-1/configuration.nix
+++ b/hosts/hydra-1/configuration.nix
@@ -28,12 +28,14 @@
       {
         hostName = "hydra-2.net.clerie.de";
         system = "x86_64-linux";
-        sshKey = "/root/.ssh/id_ed25519";
+        sshKey = "/var/lib/hydra/id_ed25519";
         publicHostKey = "c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSURaRUQ5UU0rcWU3c0I2UjZhdHZQNldOYUkyc0Mybmg3VFRzRDZrZ1JwbnIgcm9vdEBoeWRyYS0yCg==";
       }
     ];
   };
 
+  programs.ssh.knownHosts."hydra-2.net.clerie.de".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDZED9QM+qe7sB6R6atvP6WNaI2sC2nh7TTsD6kgRpnr root@hydra-2";
+
   services.hydra = {
     enable = true;
     port = 3001;