diff --git a/pkgs/by-name/su/sus-compiler/package.nix b/pkgs/by-name/su/sus-compiler/package.nix
index 149b0285c889..70e4bc82bad5 100644
--- a/pkgs/by-name/su/sus-compiler/package.nix
+++ b/pkgs/by-name/su/sus-compiler/package.nix
@@ -64,7 +64,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   nativeInstallCheckInputs = [ versionCheckHook ];
   versionCheckProgram = "${placeholder "out"}/bin/sus_compiler";
 
-  updateScript = nix-update-script { extraArgs = [ "--generate-lockfile" ]; };
+  passthru.updateScript = nix-update-script { extraArgs = [ "--generate-lockfile" ]; };
 
   meta = {
     description = "New Hardware Design Language that keeps you in the driver's seat";