diff --git a/flake.nix b/flake.nix
index b057aed..bcabb2b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -207,10 +207,7 @@
         let f = import nixpkgs;
         in forAllSystems ({ system, localSystem, crossSystem }:
           if localSystem == crossSystem then
-            f {
-              inherit system;
-              overlays = [ self.overlay ];
-            }
+            nixpkgs.legacyPackages.${system}.extend self.overlay
           else
             f {
               inherit localSystem;