diff --git a/pkgs/development/ocaml-modules/janestreet/ppx_core-113_33_01.nix b/pkgs/development/ocaml-modules/janestreet/ppx_core-113_33_01.nix
new file mode 100644
index 00000000000..71bc62937d4
--- /dev/null
+++ b/pkgs/development/ocaml-modules/janestreet/ppx_core-113_33_01.nix
@@ -0,0 +1,20 @@
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, opam, topkg
+, ppx_tools
+}:
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-ppx_core-133.33.01+4.03";
+  src = fetchurl {
+    url = http://ocaml.janestreet.com/ocaml-core/113.33/files/ppx_core-113.33.01+4.03.tar.gz;
+    sha256 = "0ibww4lx87lmn164mxczl3sa7ldwc7g1zi4m9c4vllsv004iyffl";
+  };
+
+  buildInputs = [ ocaml findlib ocamlbuild opam ppx_tools ];
+
+  inherit (topkg) installPhase;
+
+  meta = {
+    license = stdenv.lib.licenses.asl20;
+    inherit (ocaml.meta) platforms;
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index ebc09ecc84f..d955f284914 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -554,7 +554,10 @@ let
 
     buildOcamlJane = callPackage ../development/ocaml-modules/janestreet/buildOcamlJane.nix {};
 
-    ppx_core = callPackage ../development/ocaml-modules/janestreet/ppx-core.nix {};
+    ppx_core =
+      if lib.versionOlder "4.03" ocaml.version
+      then callPackage ../development/ocaml-modules/janestreet/ppx_core-113_33_01.nix {}
+      else callPackage ../development/ocaml-modules/janestreet/ppx-core.nix {};
 
     ppx_optcomp = callPackage ../development/ocaml-modules/janestreet/ppx-optcomp.nix {};