diff --git a/src/utils/odoc_utils.ml b/src/utils/odoc_utils.ml
index f237b320ad..7e047d4b92 100644
--- a/src/utils/odoc_utils.ml
+++ b/src/utils/odoc_utils.ml
@@ -1,3 +1,6 @@
+(** Re-export for compatibility with 4.02. *)
+type ('a, 'b) result = ('a, 'b) Result.result = Ok of 'a | Error of 'b
+
 (** The [result] type and a bind operator. This module is meant to be opened. *)
 module ResultMonad = struct
   (** Re-export for compat *)
@@ -43,6 +46,8 @@ module EitherMonad = struct
 end
 
 module List = struct
+  include List
+
   let rec concat_map ?sep ~f = function
     | [] -> []
     | [ x ] -> f x
diff --git a/src/xref2/env.ml b/src/xref2/env.ml
index 88a1f76346..1c27d2f794 100644
--- a/src/xref2/env.ml
+++ b/src/xref2/env.ml
@@ -2,6 +2,7 @@
 open Odoc_model
 open Odoc_model.Names
 open Odoc_model.Paths
+open Odoc_utils
 
 type lookup_unit_result = Forward_reference | Found of Lang.Compilation_unit.t
 
diff --git a/src/xref2/env.mli b/src/xref2/env.mli
index f54ab5eaea..c6378b92b6 100644
--- a/src/xref2/env.mli
+++ b/src/xref2/env.mli
@@ -2,6 +2,7 @@
 
 open Odoc_model
 open Odoc_model.Paths
+open Odoc_utils
 
 type lookup_unit_result = Forward_reference | Found of Lang.Compilation_unit.t
 
diff --git a/test/integration/dune b/test/integration/dune
index 13da4888b8..0d27fb102d 100644
--- a/test/integration/dune
+++ b/test/integration/dune
@@ -6,3 +6,8 @@
  (applies_to json_expansion_with_sources)
  (enabled_if
   (> %{ocaml_version} 4.14.0)))
+
+(cram
+ (applies_to html_support_files)
+ (enabled_if
+  (> %{ocaml_version} 4.14.0)))