diff --git a/lib/js_of_ocaml/js_of_ocaml_stubs.c b/lib/js_of_ocaml/js_of_ocaml_stubs.c
index 0ddf5aee81..d12fb70c91 100644
--- a/lib/js_of_ocaml/js_of_ocaml_stubs.c
+++ b/lib/js_of_ocaml/js_of_ocaml_stubs.c
@@ -1,7 +1,7 @@
 #include <caml/misc.h>
 
-void caml_bytes_of_array () {
-  caml_fatal_error("Unimplemented Javascript primitive caml_bytes_of_array!");
+void caml_bytes_of_uint8_array () {
+  caml_fatal_error("Unimplemented Javascript primitive caml_bytes_of_uint8_array!");
 }
 
 void caml_custom_identifier () {
diff --git a/lib/js_of_ocaml/typed_array.ml b/lib/js_of_ocaml/typed_array.ml
index 98def83222..e29be12828 100644
--- a/lib/js_of_ocaml/typed_array.ml
+++ b/lib/js_of_ocaml/typed_array.ml
@@ -274,7 +274,7 @@ module String = struct
 end
 
 module Bytes = struct
-  external of_uint8Array : uint8Array Js.t -> bytes = "caml_bytes_of_array"
+  external of_uint8Array : uint8Array Js.t -> bytes = "caml_bytes_of_uint8_array"
 
   external to_uint8Array : bytes -> uint8Array Js.t = "caml_uint8_array_of_bytes"
 
diff --git a/runtime/js/bigstring.js b/runtime/js/bigstring.js
index 230652c3af..eb87cdb1c5 100644
--- a/runtime/js/bigstring.js
+++ b/runtime/js/bigstring.js
@@ -107,7 +107,7 @@ function caml_bigstring_blit_bytes_to_ba(str1, pos1, ba2, pos2, len) {
 
 //Provides: caml_bigstring_blit_ba_to_bytes
 //Requires: caml_invalid_argument, caml_array_bound_error
-//Requires: caml_blit_bytes, caml_bytes_of_array
+//Requires: caml_blit_bytes, caml_bytes_of_uint8_array
 //Requires: caml_ml_bytes_length
 function caml_bigstring_blit_ba_to_bytes(ba1, pos1, bytes2, pos2, len) {
   if (12 !== ba1.kind)
@@ -121,6 +121,6 @@ function caml_bigstring_blit_ba_to_bytes(ba1, pos1, bytes2, pos2, len) {
     caml_array_bound_error();
   }
   var slice = ba1.data.subarray(ofs1, ofs1 + len);
-  caml_blit_bytes(caml_bytes_of_array(slice), 0, bytes2, pos2, len);
+  caml_blit_bytes(caml_bytes_of_uint8_array(slice), 0, bytes2, pos2, len);
   return 0;
 }
diff --git a/runtime/js/fs_fake.js b/runtime/js/fs_fake.js
index 8771424890..b487c6f5df 100644
--- a/runtime/js/fs_fake.js
+++ b/runtime/js/fs_fake.js
@@ -307,7 +307,7 @@ MlFakeDevice.prototype.constructor = MlFakeDevice;
 //Provides: MlFakeFile
 //Requires: MlFile
 //Requires: caml_create_bytes, caml_ml_bytes_length, caml_blit_bytes
-//Requires: caml_uint8_array_of_bytes, caml_bytes_of_array
+//Requires: caml_uint8_array_of_bytes, caml_bytes_of_uint8_array
 function MlFakeFile(content) {
   this.data = content;
 }
@@ -329,7 +329,7 @@ MlFakeFile.prototype.write = function (offset, buf, pos, len) {
     this.data = new_str;
     caml_blit_bytes(old_data, 0, this.data, 0, clen);
   }
-  caml_blit_bytes(caml_bytes_of_array(buf), pos, this.data, offset, len);
+  caml_blit_bytes(caml_bytes_of_uint8_array(buf), pos, this.data, offset, len);
   return 0;
 };
 MlFakeFile.prototype.read = function (offset, buf, pos, len) {
@@ -346,7 +346,7 @@ MlFakeFile.prototype.read = function (offset, buf, pos, len) {
 };
 
 //Provides: MlFakeFd_out
-//Requires: MlFakeFile, caml_create_bytes, caml_blit_bytes, caml_bytes_of_array
+//Requires: MlFakeFile, caml_create_bytes, caml_blit_bytes, caml_bytes_of_uint8_array
 //Requires: caml_raise_sys_error
 function MlFakeFd_out(fd, flags) {
   MlFakeFile.call(this, caml_create_bytes(0));
@@ -374,7 +374,7 @@ MlFakeFd_out.prototype.write = function (offset, buf, pos, len) {
     // Do not output the last \n if present
     // as console logging display a newline at the end
     var src = caml_create_bytes(len);
-    caml_blit_bytes(caml_bytes_of_array(buf), pos, src, 0, len);
+    caml_blit_bytes(caml_bytes_of_uint8_array(buf), pos, src, 0, len);
     this.log(src.toUtf16());
     return 0;
   }
diff --git a/runtime/js/io.js b/runtime/js/io.js
index 511825cde7..93378cf46e 100644
--- a/runtime/js/io.js
+++ b/runtime/js/io.js
@@ -409,7 +409,7 @@ function caml_ml_input_block(chanid, ba, i, l) {
 }
 
 //Provides: caml_input_value
-//Requires: caml_marshal_data_size, caml_input_value_from_bytes, caml_create_bytes, caml_ml_channel_get, caml_bytes_of_array
+//Requires: caml_marshal_data_size, caml_input_value_from_bytes, caml_create_bytes, caml_ml_channel_get, caml_bytes_of_uint8_array
 //Requires: caml_refill, caml_failwith, caml_raise_end_of_file
 //Requires: caml_marshal_header_size
 function caml_input_value(chanid) {
@@ -434,12 +434,12 @@ function caml_input_value(chanid) {
   if (r === 0) caml_raise_end_of_file();
   else if (r < caml_marshal_header_size)
     caml_failwith("input_value: truncated object");
-  var len = caml_marshal_data_size(caml_bytes_of_array(header), 0);
+  var len = caml_marshal_data_size(caml_bytes_of_uint8_array(header), 0);
   var buf = new Uint8Array(len + caml_marshal_header_size);
   buf.set(header, 0);
   var r = block(buf, caml_marshal_header_size, len);
   if (r < len) caml_failwith("input_value: truncated object " + r + "  " + len);
-  var res = caml_input_value_from_bytes(caml_bytes_of_array(buf), 0);
+  var res = caml_input_value_from_bytes(caml_bytes_of_uint8_array(buf), 0);
   return res;
 }
 
diff --git a/runtime/js/marshal.js b/runtime/js/marshal.js
index d3a0a9cf83..afd8db42f5 100644
--- a/runtime/js/marshal.js
+++ b/runtime/js/marshal.js
@@ -871,16 +871,16 @@ function caml_output_value_to_string(v, flags) {
 }
 
 //Provides: caml_output_value_to_bytes mutable
-//Requires: caml_output_val, caml_bytes_of_array
+//Requires: caml_output_val, caml_bytes_of_uint8_array
 function caml_output_value_to_bytes(v, flags) {
-  return caml_bytes_of_array(caml_output_val(v, flags));
+  return caml_bytes_of_uint8_array(caml_output_val(v, flags));
 }
 
 //Provides: caml_output_value_to_buffer
-//Requires: caml_output_val, caml_failwith, caml_blit_bytes, caml_bytes_of_array
+//Requires: caml_output_val, caml_failwith, caml_blit_bytes, caml_bytes_of_uint8_array
 function caml_output_value_to_buffer(s, ofs, len, v, flags) {
   var t = caml_output_val(v, flags);
   if (t.length > len) caml_failwith("Marshal.to_buffer: buffer overflow");
-  caml_blit_bytes(caml_bytes_of_array(t), 0, s, ofs, t.length);
+  caml_blit_bytes(caml_bytes_of_uint8_array(t), 0, s, ofs, t.length);
   return 0;
 }
diff --git a/runtime/js/mlBytes.js b/runtime/js/mlBytes.js
index c5277298a0..cdfc0665e2 100644
--- a/runtime/js/mlBytes.js
+++ b/runtime/js/mlBytes.js
@@ -526,6 +526,12 @@ function caml_bytes_of_array(a) {
   return new MlBytes(4, a, a.length);
 }
 
+//Provides: caml_bytes_of_uint8_array
+//Requires: MlBytes
+function caml_bytes_of_uint8_array(a) {
+  return new MlBytes(4, a, a.length);
+}
+
 //Provides: caml_bytes_compare mutable
 //Requires: caml_convert_string_to_bytes
 function caml_bytes_compare(s1, s2) {
diff --git a/runtime/wasm/bigarray.wat b/runtime/wasm/bigarray.wat
index c4b480b5bb..d91f347518 100644
--- a/runtime/wasm/bigarray.wat
+++ b/runtime/wasm/bigarray.wat
@@ -2020,7 +2020,7 @@
          (i32.wrap_i64 (i64.shr_u (local.get $d) (i64.const 32))))
       (ref.i31 (i32.const 0)))
 
-   (export "caml_bytes_of_array" (func $caml_string_of_uint8_array))
+   (export "caml_bytes_of_uint8_array" (func $caml_string_of_uint8_array))
    (func $caml_string_of_uint8_array (export "caml_string_of_uint8_array")
       (param (ref eq)) (result (ref eq))
       ;; used to convert a typed array to a string