diff --git a/pkgs/by-name/li/libtiff/package.nix b/pkgs/by-name/li/libtiff/package.nix
index e1591a9e3c16..ad8964f8ddd1 100644
--- a/pkgs/by-name/li/libtiff/package.nix
+++ b/pkgs/by-name/li/libtiff/package.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitLab {
     owner = "libtiff";
     repo = "libtiff";
-    rev = "v${finalAttrs.version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-60Lpg5WRfWMzlOoOUA+C6KLlYIZ+3BjXidOVqv4M2GA=";
   };
 
@@ -128,6 +128,8 @@ stdenv.mkDerivation (finalAttrs: {
     updateScript = nix-update-script { };
   };
 
+  __structuredAttrs = true;
+
   meta = {
     description = "Library and utilities for working with the TIFF image file format";
     homepage = "https://libtiff.gitlab.io/libtiff";