diff --git a/modules/misc/nix.nix b/modules/misc/nix.nix
index cc569c68d..b418f37fb 100644
--- a/modules/misc/nix.nix
+++ b/modules/misc/nix.nix
@@ -157,13 +157,9 @@ in
         visible = false;
       };
 
-    package = mkOption {
-      type = types.nullOr types.package;
+    package = lib.mkPackageOption pkgs "nix" {
       default = null;
-      example = literalExpression "pkgs.nix";
-      description = ''
-        The Nix package that the configuration should be generated for.
-      '';
+      nullable = true;
     };
 
     nixPath = mkOption {