diff --git a/pkgs/development/ocaml-modules/mirage-profile/default.nix b/pkgs/development/ocaml-modules/mirage-profile/default.nix
index ff7a539ece0d..e42c5448cc7c 100644
--- a/pkgs/development/ocaml-modules/mirage-profile/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-profile/default.nix
@@ -8,14 +8,14 @@
   lwt,
 }:
 
-buildDunePackage rec {
+buildDunePackage (finalAttrs: {
   pname = "mirage-profile";
   version = "0.9.1";
 
   duneVersion = "3";
 
   src = fetchurl {
-    url = "https://github.com/mirage/mirage-profile/releases/download/v${version}/mirage-profile-v${version}.tbz";
+    url = "https://github.com/mirage/mirage-profile/releases/download/v${finalAttrs.version}/mirage-profile-v${finalAttrs.version}.tbz";
     sha256 = "0lh3591ad4v7nxpd410b75idmgdq668mqdilvkg4avrwqw1wzdib";
   };
 
@@ -32,4 +32,4 @@ buildDunePackage rec {
     license = lib.licenses.bsd2;
     maintainers = with lib.maintainers; [ vbgl ];
   };
-}
+})