diff --git a/hosts/hydra/default.nix b/hosts/hydra/default.nix
index c781ed29..514d808d 100644
--- a/hosts/hydra/default.nix
+++ b/hosts/hydra/default.nix
@@ -323,7 +323,7 @@ in
       # NOTE: currently very, very slow and usually builds do not finish in any amount of time
       # root@192.168.100.3 ${lib.concatStringsSep "," extraPlatforms} - ${toString (config.nix.settings.max-jobs * 3)} 10 big-parallel,nixos-test -
       # sandro's native aarch64 builder
-      root@gallium.supersandro.de aarch64-linux - 4 20 kvm,big-parallel,nixos-test,benchmark -
+      ${config.nix.remoteBuilder.user}@gallium.supersandro.de aarch64-linux - 4 20 kvm,big-parallel,nixos-test,benchmark -
       EOF
     '';