diff --git a/overlays/default.nix b/overlays/default.nix
index c8c7793d..3001a99b 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -10,7 +10,7 @@ let
   pkgs-unstable = nixos-unstable.legacyPackages.${prev.system};
 in
 with final; {
-  allcolors = callPackage ./allcolors.nix;
+  allcolors = callPackage ./allcolors.nix { };
 
   inherit (bevy-julia.packages.${system}) bevy_julia;
   inherit (bevy-mandelbrot.packages.${system}) bevy_mandelbrot;