diff --git a/pkgs/development/ocaml-modules/prelude/default.nix b/pkgs/development/ocaml-modules/prelude/default.nix
index 06424b840d1a..50f398958b26 100644
--- a/pkgs/development/ocaml-modules/prelude/default.nix
+++ b/pkgs/development/ocaml-modules/prelude/default.nix
@@ -4,7 +4,7 @@
   fetchzip,
 }:
 
-buildDunePackage rec {
+buildDunePackage (finalAttrs: {
   pname = "prelude";
   version = "0.5";
 
@@ -12,7 +12,7 @@ buildDunePackage rec {
 
   # upstream git repo is misconfigured and cannot be cloned
   src = fetchzip {
-    url = "https://git.zapashcanon.fr/zapashcanon/prelude/archive/${version}.tar.gz";
+    url = "https://git.zapashcanon.fr/zapashcanon/prelude/archive/${finalAttrs.version}.tar.gz";
     hash = "sha256-lti+q1U/eEasAXo0O5YEu4iw7947V9bdvSHA0IEMS8M=";
   };
 
@@ -22,8 +22,8 @@ buildDunePackage rec {
     description = "Library to enforce good stdlib practices";
     homepage = "https://ocaml.org/p/prelude/";
     downloadPage = "https://git.zapashcanon.fr/zapashcanon/prelude";
-    changelog = "https://git.zapashcanon.fr/zapashcanon/prelude/src/tag/${version}/CHANGES.md";
+    changelog = "https://git.zapashcanon.fr/zapashcanon/prelude/src/tag/${finalAttrs.version}/CHANGES.md";
     license = lib.licenses.agpl3Plus;
     maintainers = [ lib.maintainers.ethancedwards8 ];
   };
-}
+})