diff -uNr ppx_enumerate-113.33.00/_oasis ppx_enumerate-113.33.00+4.03/_oasis
--- ppx_enumerate-113.33.00/_oasis	2016-03-09 16:44:54.000000000 +0100
+++ ppx_enumerate-113.33.00+4.03/_oasis	2016-03-22 15:13:50.000000000 +0100
@@ -1,8 +1,8 @@
 OASISFormat:      0.4
-OCamlVersion:     >= 4.02.3
+OCamlVersion:     >= 4.03.0
 FindlibVersion:   >= 1.3.2
 Name:             ppx_enumerate
-Version:          113.33.00
+Version:          113.33.00+4.03
 Synopsis:         Generate a list containing all values of a finite type
 Authors:          Jane Street Group, LLC <opensource@janestreet.com>
 Copyrights:       (C) 2015-2016 Jane Street Group LLC <opensource@janestreet.com>
diff -uNr ppx_enumerate-113.33.00/opam ppx_enumerate-113.33.00+4.03/opam
--- ppx_enumerate-113.33.00/opam	2016-03-18 12:08:01.000000000 +0100
+++ ppx_enumerate-113.33.00+4.03/opam	2016-03-22 17:51:36.000000000 +0100
@@ -16,4 +16,4 @@
   "ppx_tools"     {>= "0.99.3"}
   "ppx_type_conv"
 ]
-available: [ ocaml-version >= "4.02.3" ]
+available: [ ocaml-version >= "4.03.0" ]
diff -uNr ppx_enumerate-113.33.00/src/ppx_enumerate.ml ppx_enumerate-113.33.00+4.03/src/ppx_enumerate.ml
--- ppx_enumerate-113.33.00/src/ppx_enumerate.ml	2016-03-09 16:44:54.000000000 +0100
+++ ppx_enumerate-113.33.00+4.03/src/ppx_enumerate.ml	2016-03-22 15:13:50.000000000 +0100
@@ -226,10 +226,11 @@
 
 and constructor_case loc cd =
   match cd.pcd_args with
-  | [] -> [%expr [ [%e econstruct cd None ] ] ]
-  | tps ->
+  | Pcstr_tuple [] -> [%expr [ [%e econstruct cd None ] ] ]
+  | Pcstr_tuple tps ->
     product loc tps (fun x ->
       econstruct cd (Some (pexp_tuple ~loc x)))
+  | Pcstr_record _ -> failwith "Pcstr_record not supported"
 
 and product loc tps f =
     let all = List.map tps ~f:(fun tp -> enum ~main_type:tp tp) in