diff --git a/overlay.nix b/overlay.nix
index 1ea69bf..6553dc4 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -1,7 +1,7 @@
 final: prev:
 
 let
-  stackpkgs = final.callPackage ./stackpkgs.nix;
+  stackpkgs = final.callPackage ./stackpkgs.nix {};
 in
 {
   stackpkgs = builtins.removeAttrs stackpkgs [