diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..dfb939d
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,12 @@
+# This file exists for legacy Nix installs (nix-build & nix-env)
+# https://nixos.wiki/wiki/Flakes#Using_flakes_project_from_a_legacy_Nix
+# You generally do *not* have to modify this ever.
+(import (
+  let
+    lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+  in fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+    sha256 = lock.nodes.flake-compat.locked.narHash; }
+) {
+  src =  ./.;
+}).defaultNix
\ No newline at end of file