diff --git a/lib/default.nix b/lib/default.nix
index 906c8a33..e6105740 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -218,7 +218,8 @@ in {
     services.hail = lib.mkIf cfg.enableHail {
       enable = true;
       hydraJobUri =
-        "https://hydra.hq.c3d2.de/job/c3d2/hail/${config.networking.hostName}-activator ";
+        let hydra = if cfg.mapHqHosts then "hydra.hq" else "hydra.hq.c3d2.de";
+        in "https:///${hydra}/job/c3d2/hail/${config.networking.hostName}-activator ";
       # pad the end so the URL doesn't break when systemshit puts a ; on the end
       package = (import <nixpkgs-unstable> { }).haskellPackages.hail;
       # Only builds > 19.09