diff --git a/hosts/hydra-1/configuration.nix b/hosts/hydra-1/configuration.nix
index 2168e0a..655fb32 100644
--- a/hosts/hydra-1/configuration.nix
+++ b/hosts/hydra-1/configuration.nix
@@ -27,6 +27,7 @@
     buildMachines = [
       {
         hostName = "hydra-2.net.clerie.de";
+        sshUser = "root";
         system = "x86_64-linux";
         sshKey = "/var/lib/hydra/id_ed25519";
         publicHostKey = "c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSURaRUQ5UU0rcWU3c0I2UjZhdHZQNldOYUkyc0Mybmg3VFRzRDZrZ1JwbnIgcm9vdEBoeWRyYS0yCg==";