diff --git a/src/odoc.ml b/src/odoc.ml
index 20065b37..a7737cc7 100644
--- a/src/odoc.ml
+++ b/src/odoc.ml
@@ -534,7 +534,7 @@ module Gen (S : sig val sctx : SC.t end) = struct
            | _ -> None
          ))
        |> List.map ~f:(fun (lib : Lib.t) ->
-         Build_system.Alias.stamp_file (Dep.alias (Lib lib)))
+         Build_system.Alias.stamp_file (Dep.html_alias (Lib lib)))
        |> Path.Set.of_list
       )
 
diff --git a/test/blackbox-tests/test-cases/multiple-private-libs/run.t b/test/blackbox-tests/test-cases/multiple-private-libs/run.t
index d4ca8166..95d7a978 100644
--- a/test/blackbox-tests/test-cases/multiple-private-libs/run.t
+++ b/test/blackbox-tests/test-cases/multiple-private-libs/run.t
@@ -1,9 +1,12 @@
 This test checks that there is no clash when two private libraries have the same name
 
   $ dune build --display short @doc-private
+          odoc _doc/_html/odoc.css
       ocamldep a/test.ml.d
         ocamlc a/.test.objs/test.{cmi,cmo,cmt}
           odoc _doc/_odoc/lib/test@a/test.odoc
+          odoc _doc/_html/test@a/Test/.jbuilder-keep,_doc/_html/test@a/Test/index.html
       ocamldep b/test.ml.d
         ocamlc b/.test.objs/test.{cmi,cmo,cmt}
           odoc _doc/_odoc/lib/test@b/test.odoc
+          odoc _doc/_html/test@b/Test/.jbuilder-keep,_doc/_html/test@b/Test/index.html