diff --git a/pkgs/development/libraries/readline/8.3.nix b/pkgs/development/libraries/readline/8.3.nix
index f32bf7c36a59..f9d3789834ca 100644
--- a/pkgs/development/libraries/readline/8.3.nix
+++ b/pkgs/development/libraries/readline/8.3.nix
@@ -97,6 +97,8 @@ stdenv.mkDerivation (finalAttrs: {
     ln -s $out/lib/libreadline.so* $out/lib/libreadline.so
   '';
 
+  __structuredAttrs = true;
+
   meta = {
     description = "Library for interactive line editing";