diff --git a/module.nix b/module.nix
index 48700c0..4b6f56c 100644
--- a/module.nix
+++ b/module.nix
@@ -12,16 +12,18 @@ in {
     enable = lib.mkEnableOption "the matrixoidc server";
     package = lib.mkPackageOption self.packages.${pkgs.system} "default" {};
 
-    group = lib.mkOption {
-      type = lib.types.string;
-    };
-
     jwtSecretFile = lib.mkOption {
       type = lib.types.path;
     };
 
+    group = lib.mkOption {
+      type = lib.types.string;
+      default = "matrixoidc";
+    };
+
     args = lib.mkOption {
       type = lib.types.string;
+      default = "";
     };
   };