diff --git a/bin/ocaml/doc.ml b/bin/ocaml/doc.ml
index 6dae72b6fdd..584438b2f99 100644
--- a/bin/ocaml/doc.ml
+++ b/bin/ocaml/doc.ml
@@ -23,7 +23,7 @@ let term =
       Alias.in_dir ~name:Dune_rules.Alias.doc ~recursive:true ~contexts:setup.contexts dir
       |> Alias.request
     in
-    let absolute_toplevel_index_path =
+    let relative_toplevel_index_path =
       let toplevel_index_path =
         let is_default ctx = ctx |> Context.name |> Dune_engine.Context_name.is_default in
         let doc_ctx = List.find_exn setup.contexts ~f:is_default in
@@ -32,12 +32,12 @@ let term =
       Path.(toplevel_index_path |> build |> to_string_maybe_quoted)
     in
     Console.print
-      [ Pp.textf "Docs built. Index can be found here: %s" absolute_toplevel_index_path ];
+      [ Pp.textf "Docs built. Index can be found here: %s" relative_toplevel_index_path ];
     match
       let open Option.O in
       let* cmd_name, args =
         match Platform.OS.value with
-        | Darwin -> Some ("open", [ "-u" ])
+        | Darwin -> Some ("open", [])
         | Other | FreeBSD | NetBSD | OpenBSD | Haiku | Linux -> Some ("xdg-open", [])
         | Windows -> None
       in
@@ -47,8 +47,7 @@ let term =
       in
       ( open_command
       , (* First element of argv is the name of the command. *)
-        let url = "file://" ^ absolute_toplevel_index_path in
-        (cmd_name :: args) @ [ url ] )
+        (cmd_name :: args) @ [ relative_toplevel_index_path ] )
     with
     | Some (cmd, args) ->
       Proc.restore_cwd_and_execve (Path.to_absolute_filename cmd) args ~env:Env.initial
diff --git a/doc/changes/10897.md b/doc/changes/10897.md
new file mode 100644
index 00000000000..22ab2b5407d
--- /dev/null
+++ b/doc/changes/10897.md
@@ -0,0 +1 @@
+- Fix the URL opened by the command `dune ocaml doc`. (#10897, @gridbugs)
diff --git a/test/blackbox-tests/test-cases/odoc/doc-browser.t/run.t b/test/blackbox-tests/test-cases/odoc/doc-browser.t/run.t
index 61be00a42d7..6d49e396779 100644
--- a/test/blackbox-tests/test-cases/odoc/doc-browser.t/run.t
+++ b/test/blackbox-tests/test-cases/odoc/doc-browser.t/run.t
@@ -2,7 +2,7 @@ This tests shows how to use the `dune ocaml doc` command to open the
 documentation index to a browser.
   $ if [ "$(uname)" = Darwin ]; then mv xdg-open open; fi
   $ export PATH=.:$PATH 
-  $ dune ocaml doc | sed -e 's|^-u *||'
+  $ dune ocaml doc
   Docs built. Index can be found here: _build/default/_doc/_html/index.html
   open command received args:
-  file://_build/default/_doc/_html/index.html
+  _build/default/_doc/_html/index.html