diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/default.nix b/pkgs/development/tools/ocaml/js_of_ocaml/default.nix
index b19f078d9a27..33a7fe52c394 100644
--- a/pkgs/development/tools/ocaml/js_of_ocaml/default.nix
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/default.nix
@@ -8,9 +8,9 @@ stdenv.mkDerivation {
     sha256 = "1dali1akyd4zmkwav0d957ynxq2jj6cc94r4xiaql7ca89ajz4jj";
     };
 
-  buildInputs = [ ocaml findlib menhir ocsigen_deriving ppx_deriving
+  buildInputs = [ ocaml findlib menhir ocsigen_deriving
                  cmdliner tyxml reactivedata cppo which base64];
-  propagatedBuildInputs = [ ocaml_lwt camlp4 ];
+  propagatedBuildInputs = [ ocaml_lwt camlp4 ppx_deriving ];
 
   patches = [ ./Makefile.conf.diff ];