diff --git a/machines/common/nogui/default.nix b/machines/common/nogui/default.nix
index 891dc0109af110bd49c7b536762e5c24ee79df52..be71f82e2a31f18401a1a7893a1fe18aa0f45286 100644
--- a/machines/common/nogui/default.nix
+++ b/machines/common/nogui/default.nix
@@ -43,7 +43,7 @@   nixpkgs.config.allowUnfree = true;
 
   nix = {
     gc.automatic = true;
-    package = pkgs.nixVersions.stable;
+    package = pkgs.nixVersions.nix_2_15;
     settings = {
       trusted-users = ["@sudo" "@wheel" "jolheiser"];
       experimental-features = ["flakes" "nix-command" "repl-flake"];