diff --git a/pkgs/by-name/lz/lzip/package.nix b/pkgs/by-name/lz/lzip/package.nix
index dcdd2addb2d5..dacaa805bd58 100644
--- a/pkgs/by-name/lz/lzip/package.nix
+++ b/pkgs/by-name/lz/lzip/package.nix
@@ -40,6 +40,8 @@ stdenv.mkDerivation (finalAttrs: {
   enableParallelBuilding = true;
   strictDeps = true;
 
+  __structuredAttrs = true;
+
   meta = {
     homepage = "https://www.nongnu.org/lzip/lzip.html";
     description = "Lossless data compressor based on the LZMA algorithm";