diff --git a/default.nix b/default.nix
index a7b8b08..198ddf8 100644
--- a/default.nix
+++ b/default.nix
@@ -1,4 +1,4 @@
-with import <nixpkgs> {};
+with builtins;
map (id:
- import (fetchurl "https://infinisil.io/nix/${id}.nix")
+ import (fetchurl "https://infinisil.io/nix/${toString id}.nix")
) [ 1 2 3 ]