diff --git a/modules/nixos/nix/default.nix b/modules/nixos/nix/default.nix
index 58c3139..76c4299 100644
--- a/modules/nixos/nix/default.nix
+++ b/modules/nixos/nix/default.nix
@@ -14,7 +14,7 @@ in
 {
   options.plusultra.nix = with types; {
     enable = mkBoolOpt false "Whether or not to manage nix configuration.";
-    package = mkOpt package pkgs.nixUnstable "Which nix package to use.";
+    package = mkOpt package pkgs.nix "Which nix package to use.";
 
     default-substituter = {
       url = mkOpt str "https://cache.nixos.org" "The url for the substituter.";