diff --git a/hosts/hydra-1/configuration.nix b/hosts/hydra-1/configuration.nix
index 8179409..2619065 100644
--- a/hosts/hydra-1/configuration.nix
+++ b/hosts/hydra-1/configuration.nix
@@ -30,13 +30,15 @@
     distributedBuilds = true;
     buildMachines = [
       {
-        hostName = "localhost";
+        hostName = "hydra-1.net.clerie.de";
+        sshUser = "root";
         systems = [
           "x86_64-linux"
           "armv6l-linux"
           "armv7l-linux"
           "aarch64-linux"
         ];
+        sshKey = "/var/lib/hydra/id_ed25519";
       }
       {
         hostName = "hydra-2.net.clerie.de";
@@ -48,7 +50,6 @@
           "aarch64-linux"
         ];
         sshKey = "/var/lib/hydra/id_ed25519";
-        publicHostKey = "c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSURaRUQ5UU0rcWU3c0I2UjZhdHZQNldOYUkyc0Mybmg3VFRzRDZrZ1JwbnIgcm9vdEBoeWRyYS0yCg==";
       }
     ];
   };