diff --git a/mod.nix b/mod.nix
index 3dcd581..8ee5ca7 100644
--- a/mod.nix
+++ b/mod.nix
@@ -9,7 +9,7 @@ in
     enable = mkEnableOption "brownpaper service";
     listen = mkOption {
       type = types.str;
-      default = "0.0.0.0";
+      default = "127.0.0.1";
     };
     port = mkOption {
       type = types.int;
@@ -32,7 +32,7 @@ in
     enable = mkEnableOption "brownpaper client";
     endpoint = mkOption {
       type = types.str;
-      default = "http://localhost:3000";
+      default = "http://${cfg.listen}:${toString cfg.port}";
     };
   };
   config = {