diff --git a/pkgs/development/ocaml-modules/ppx_derivers/default.nix b/pkgs/development/ocaml-modules/ppx_derivers/default.nix
index e1208fe330e3..a66875c4096a 100644
--- a/pkgs/development/ocaml-modules/ppx_derivers/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_derivers/default.nix
@@ -4,7 +4,7 @@
   buildDunePackage,
 }:
 
-buildDunePackage rec {
+buildDunePackage (finalAttrs: {
   pname = "ppx_derivers";
   version = "1.2.1";
 
@@ -12,8 +12,8 @@ buildDunePackage rec {
 
   src = fetchFromGitHub {
     owner = "diml";
-    repo = pname;
-    rev = version;
+    repo = "ppx_derivers";
+    rev = finalAttrs.version;
     sha256 = "0yqvqw58hbx1a61wcpbnl9j30n495k23qmyy2xwczqs63mn2nkpn";
   };
 
@@ -21,6 +21,6 @@ buildDunePackage rec {
     description = "Shared [@@deriving] plugin registry";
     license = lib.licenses.bsd3;
     maintainers = [ lib.maintainers.vbgl ];
-    inherit (src.meta) homepage;
+    inherit (finalAttrs.src.meta) homepage;
   };
-}
+})