diff --git a/flake.nix b/flake.nix
index f8b0b94..7c63d3b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -46,7 +46,8 @@
                 overlays = [
                   (final: prev: {
                     unstable = import nixpkgs-unstable {
-                      system = final.system;
+                      inherit (final) config;
+                      inherit (final.stdenv.hostPlatform) system;
                     };
                   })
                 ];