diff --git a/pkgs/build-support/src-only/default.nix b/pkgs/build-support/src-only/default.nix
index c2f7cfb9399..a93b3648090 100644
--- a/pkgs/build-support/src-only/default.nix
+++ b/pkgs/build-support/src-only/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, name, src, patches ? [], buildInputs ? [] }:
+{stdenv, name, src, patches ? [], buildInputs ? [], ...}: 
 stdenv.mkDerivation {
   inherit src buildInputs patches name;
   installPhase = "cp -r . $out";