diff --git a/modules/services/headscale/default.nix b/modules/services/headscale/default.nix
index 4600735..2f78485 100644
--- a/modules/services/headscale/default.nix
+++ b/modules/services/headscale/default.nix
@@ -37,7 +37,7 @@ in
       enable = true;
       package = cfg.package;
       port = cfg.port;
-      settings = cfg.settings;
+      settings = cfg.settings // { server_url = "https://${cfg.domain}"; };
     };
 
     pepe.core = {