diff --git a/pkgs/default.nix b/pkgs/default.nix
index 4b67669..6353878 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -1,4 +1,7 @@
 final: prev:
+let
+  callDefaultPackage = path: prev.callPackage path { };
+in
 {
   wrapWine = callDefaultPackage ./wrapWine.nix;
   writeXrandrScriptBin = callDefaultPackage ./writeXrandrScriptBin.nix;