diff --git a/pkgs/development/ocaml-modules/emile/default.nix b/pkgs/development/ocaml-modules/emile/default.nix
index 392c25b8f11d..7205fcdeeb41 100644
--- a/pkgs/development/ocaml-modules/emile/default.nix
+++ b/pkgs/development/ocaml-modules/emile/default.nix
@@ -11,7 +11,7 @@
   cmdliner,
 }:
 
-buildDunePackage rec {
+buildDunePackage (finalAttrs: {
   pname = "emile";
   version = "1.1";
 
@@ -19,7 +19,7 @@ buildDunePackage rec {
   duneVersion = "3";
 
   src = fetchurl {
-    url = "https://github.com/dinosaure/emile/releases/download/v${version}/emile-v${version}.tbz";
+    url = "https://github.com/dinosaure/emile/releases/download/v${finalAttrs.version}/emile-v${finalAttrs.version}.tbz";
     hash = "sha256:0r1141makr0b900aby1gn0fccjv1qcqgyxib3bzq8fxmjqwjan8p";
   };
 
@@ -42,4 +42,4 @@ buildDunePackage rec {
     homepage = "https://github.com/dinosaure/emile";
     maintainers = [ lib.maintainers.sternenseemann ];
   };
-}
+})