diff --git a/pkgs/by-name/ne/neo-cowsay/package.nix b/pkgs/by-name/ne/neo-cowsay/package.nix
index efcb0d4c60b8..209951938481 100644
--- a/pkgs/by-name/ne/neo-cowsay/package.nix
+++ b/pkgs/by-name/ne/neo-cowsay/package.nix
@@ -15,6 +15,7 @@ buildGoModule (finalAttrs: {
     hash = "sha256-DmIjqBTIzwkQ8aJ6xCgIwjDtczlTH5AKbPKFUGx3qQ8=";
   };
 
+  __structuredAttrs = true;
   vendorHash = "sha256-gBURmodXkod4fukw6LWEY+MBxPcf4vn/f6K78UR77n0=";
 
   modRoot = "./cmd";