diff --git a/pkgs/by-name/co/cosmic-design-demo/package.nix b/pkgs/by-name/co/cosmic-design-demo/package.nix
index cb867206f2af..9579eb8924e5 100644
--- a/pkgs/by-name/co/cosmic-design-demo/package.nix
+++ b/pkgs/by-name/co/cosmic-design-demo/package.nix
@@ -24,6 +24,7 @@ rustPlatform.buildRustPackage {
   cargoHash = "sha256-czfDtiSEmzmcLfpqv0/8sP8zDAEKh+pkQkGXdd5NskM=";
 
   separateDebugInfo = true;
+  __structuredAttrs = true;
 
   nativeBuildInputs = [
     just