diff --git a/overlays/nixpak/default.nix b/overlays/nixpak/default.nix
index fad7533..3fcc533 100644
--- a/overlays/nixpak/default.nix
+++ b/overlays/nixpak/default.nix
@@ -1,6 +1,6 @@
-{ inputs, pkgs, lib, ... }: final: prev: {
+{ inputs, lib, ... }: final: prev: {
   mkNixPak = inputs.nixpak.lib.nixpak {
-    inherit (pkgs) lib;
-    inherit pkgs;
+    inherit (prev) lib;
+    inherit prev;
   };
 }
diff --git a/overlays/nixpkgs/firefox.nix b/overlays/nixpkgs/firefox.nix
index 5239e14..2107d14 100644
--- a/overlays/nixpkgs/firefox.nix
+++ b/overlays/nixpkgs/firefox.nix
@@ -73,5 +73,5 @@
       };
     };
   in
-    sandboxed-firefox-esr.config.script;
+    sandboxed-firefox-esr.config.env;
 }