diff --git a/pkgs/by-name/li/libdeflate/package.nix b/pkgs/by-name/li/libdeflate/package.nix
index 9d283ab93783..82eff57a5e8f 100644
--- a/pkgs/by-name/li/libdeflate/package.nix
+++ b/pkgs/by-name/li/libdeflate/package.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitHub {
     owner = "ebiggers";
     repo = "libdeflate";
-    rev = "v${finalAttrs.version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-2TiV3kmFs9j4aYetoYeWg3+MoZ542/0zaD0hwn9b8ZA=";
   };
 
@@ -39,6 +39,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = true;
 
+  __structuredAttrs = true;
+
   meta = {
     description = "Fast DEFLATE/zlib/gzip compressor and decompressor";
     license = lib.licenses.mit;