diff --git a/pkgs/development/ocaml-modules/dscheck/default.nix b/pkgs/development/ocaml-modules/dscheck/default.nix
index e5ef2ea3549e..70bd80043c77 100644
--- a/pkgs/development/ocaml-modules/dscheck/default.nix
+++ b/pkgs/development/ocaml-modules/dscheck/default.nix
@@ -7,14 +7,14 @@
   alcotest,
 }:
 
-buildDunePackage rec {
+buildDunePackage (finalAttrs: {
   pname = "dscheck";
   version = "0.5.0";
 
   minimalOCamlVersion = "5.0";
 
   src = fetchurl {
-    url = "https://github.com/ocaml-multicore/dscheck/releases/download/${version}/dscheck-${version}.tbz";
+    url = "https://github.com/ocaml-multicore/dscheck/releases/download/${finalAttrs.version}/dscheck-${finalAttrs.version}.tbz";
     hash = "sha256-9Rm2DmdvVeCkgAWCvkYdQTj94wmU7JkY8UI3fReIaG0=";
   };
 
@@ -32,4 +32,4 @@ buildDunePackage rec {
     license = lib.licenses.isc;
     maintainers = [ lib.maintainers.vbgl ];
   };
-}
+})