diff --git a/pkgs/apache-hop/default.nix b/pkgs/apache-hop/default.nix
index 19b3a0b..5c4eacf 100644
--- a/pkgs/apache-hop/default.nix
+++ b/pkgs/apache-hop/default.nix
@@ -1,4 +1,4 @@
-{ pkgs ? import <nixpkgs> { } }:
+{ pkgs ? import <nixpkgs> { }, ... }:
 
 pkgs.stdenv.mkDerivation rec {
   pname = "apache-hop";