diff --git a/src/configurator/configurator.ml b/src/configurator/configurator.ml
index 842aa300..6de14d78 100644
--- a/src/configurator/configurator.ml
+++ b/src/configurator/configurator.ml
@@ -205,9 +205,9 @@ let create ?dest_dir ?ocamlc ?(log=ignore) name =
       run_capture_exn t ~dir:dest_dir ocamlc_config_cmd
       |> String.split_lines
     in
-    match Ocamlc_config.of_lines ocamlc_config_output with
-    | oc -> Ocamlc_config.bindings oc
-    | exception (Ocamlc_config.E msg) ->
+    match Ocaml_config.Vars.of_lines ocamlc_config_output with
+    | Ok x -> x
+    | Error msg ->
       die "Failed to parse the output of '%s':@\n\
            %s"
         ocamlc_config_cmd msg