diff --git a/pkgs/by-name/su/subunit/package.nix b/pkgs/by-name/su/subunit/package.nix
index 488e50ba2dd1..4d5a762858e1 100644
--- a/pkgs/by-name/su/subunit/package.nix
+++ b/pkgs/by-name/su/subunit/package.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   strictDeps = true;
 
-  passthru.updateScript = nix-update-script;
+  passthru.updateScript = nix-update-script { };
 
   meta = {
     description = "Streaming protocol for test results";