diff --git a/pkgs/development/ocaml-modules/lwt_eio/default.nix b/pkgs/development/ocaml-modules/lwt_eio/default.nix
index d7bc05f2b648..8372d456cc1b 100644
--- a/pkgs/development/ocaml-modules/lwt_eio/default.nix
+++ b/pkgs/development/ocaml-modules/lwt_eio/default.nix
@@ -5,7 +5,6 @@
   eio,
   lwt,
 }:
-
 buildDunePackage (finalAttrs: {
   pname = "lwt_eio";
   version = if lib.versionAtLeast lwt.version "6.0.0" then "0.6" else "0.5.1";