diff --git a/compiler/tests-compiler/rec52.ml b/compiler/tests-compiler/rec52.ml
index 18d766eeaf..87e13f1e32 100644
--- a/compiler/tests-compiler/rec52.ml
+++ b/compiler/tests-compiler/rec52.ml
@@ -44,6 +44,11 @@ let%expect_test "let rec" =
   in
   let p = compile_and_parse p in
   print_program p;
+  let s = [%expect.output] in
+  let s =
+    Str.global_replace (Str.regexp "runtime.caml_make_vect") "runtime.caml_array_make" s
+  in
+  print_endline s;
   [%expect
     {|
     (function(globalThis){
@@ -61,7 +66,7 @@ let%expect_test "let rec" =
         Stdlib_Hashtbl = global_data.Stdlib__Hashtbl,
         letrec_function_context = [],
         c = [],
-        d = runtime.caml_make_vect(5, 0),
+        d = runtime.caml_array_make(5, 0),
         default$0 = 42;
        function a(x){return b(x);}
        function b(x){
diff --git a/dune b/dune
index abf74d5ffa..320fad6226 100644
--- a/dune
+++ b/dune
@@ -1,7 +1,7 @@
 (env
  (dev
   (binaries
-   (tools/node_wrapper.sh as node))
+   (tools/node_wrapper.exe as node))
   (wasm_of_ocaml
    (runtest_alias runtest-wasm))
   (js_of_ocaml
@@ -10,7 +10,7 @@
    (:standard -w +a-4-40-41-42-44-48-58-66-70)))
  (using-effects
   (binaries
-   (tools/node_wrapper.sh as node))
+   (tools/node_wrapper.exe as node))
   (wasm_of_ocaml
    (runtest_alias runtest-wasm))
   (js_of_ocaml
@@ -22,7 +22,7 @@
     (:standard --enable effects))))
  (bench_no_debug
   (binaries
-   (tools/node_wrapper.sh as node))
+   (tools/node_wrapper.exe as node))
   (flags
    (:standard \ -g))
   (ocamlc_flags
@@ -35,7 +35,7 @@
   (js_of_ocaml
    (runtest_alias runtest-js))
   (binaries
-   (tools/node_wrapper.sh as node))))
+   (tools/node_wrapper.exe as node))))
 
 (rule
  (targets version.ml.in)
diff --git a/ppx/ppx_deriving_json/tests/dune b/ppx/ppx_deriving_json/tests/dune
index d2607ddee2..5e2a598458 100644
--- a/ppx/ppx_deriving_json/tests/dune
+++ b/ppx/ppx_deriving_json/tests/dune
@@ -35,7 +35,7 @@
 (rule
  (alias runtest)
  (enabled_if
-  (>= %{ocaml_version} 5.1))
+  (>= %{ocaml_version} 5.2))
  ;; (package js_of_ocaml-ppx)
  (action
   (diff gen.mlt gen.mlt.corrected)))
diff --git a/tools/dune b/tools/dune
new file mode 100644
index 0000000000..5a4c422832
--- /dev/null
+++ b/tools/dune
@@ -0,0 +1,3 @@
+(executable
+  (name node_wrapper)
+  (libraries unix))
\ No newline at end of file
diff --git a/tools/node_wrapper.ml b/tools/node_wrapper.ml
new file mode 100644
index 0000000000..1e8a3c5b1a
--- /dev/null
+++ b/tools/node_wrapper.ml
@@ -0,0 +1,28 @@
+let extra_args_for_wasoo =
+  [ "--experimental-wasm-imported-strings"
+  ; "--experimental-wasm-stack-switching"
+  ; "--stack-size=10000"
+  ]
+
+let () =
+  match Unix.getenv "PATH" with
+  | exception Not_found -> assert false
+  | path -> (
+      let sep = if Sys.win32 then ';' else ':' in
+      match String.split_on_char sep path with
+      | drop :: paths -> Unix.putenv "PATH" (String.concat (String.make 1 sep) paths)
+      | [] -> assert false)
+
+let args =
+  match Array.to_list Sys.argv with
+  | exe :: argv ->
+      let argv =
+        match argv with
+        | file :: _ when Filename.check_suffix file ".wasm.js" ->
+            extra_args_for_wasoo @ argv
+        | _ -> argv
+      in
+      Array.of_list (exe :: argv)
+  | [] -> assert false
+
+let () = Unix.execvp "node" args
diff --git a/tools/node_wrapper.sh b/tools/node_wrapper.sh
deleted file mode 100755
index 9912795db0..0000000000
--- a/tools/node_wrapper.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-export PATH=$(echo $PATH | cut -d : -f 2-) # Do not call oneself recursively
-exec node --experimental-wasm-imported-strings --experimental-wasm-stack-switching --stack-size=10000 "$@"