diff --git a/pkgs/development/ocaml-modules/hidapi/default.nix b/pkgs/development/ocaml-modules/hidapi/default.nix
index 38e6d503b866..206ecaa86239 100644
--- a/pkgs/development/ocaml-modules/hidapi/default.nix
+++ b/pkgs/development/ocaml-modules/hidapi/default.nix
@@ -8,7 +8,7 @@
   bigstring,
 }:
 
-buildDunePackage rec {
+buildDunePackage (finalAttrs: {
   pname = "hidapi";
   version = "1.2.1";
 
@@ -17,7 +17,7 @@ buildDunePackage rec {
   src = fetchFromGitHub {
     owner = "vbmithr";
     repo = "ocaml-hidapi";
-    rev = version;
+    rev = finalAttrs.version;
     hash = "sha256-upygm5G46C65lxaiI6kBOzLrWxzW9qWb6efN/t58SRg=";
   };
 
@@ -39,4 +39,4 @@ buildDunePackage rec {
     maintainers = [ ];
     mainProgram = "ocaml-hid-enumerate";
   };
-}
+})