diff --git a/lib/fetch/body.js b/lib/fetch/body.js
index 72a71fd477b..96bdaafc2a9 100644
--- a/lib/fetch/body.js
+++ b/lib/fetch/body.js
@@ -357,8 +357,7 @@ function bodyMixinMethods (instance) {
             defParamCharset: 'utf8'
           })
         } catch (err) {
-          // Error due to headers:
-          throw Object.assign(new TypeError(), { cause: err })
+          throw new DOMException(`${err}`, 'AbortError')
         }
 
         busboy.on('field', (name, value) => {
diff --git a/test/wpt/tests/fetch/api/body/cloned-any.js b/test/wpt/tests/fetch/api/body/cloned-any.js
new file mode 100644
index 00000000000..2bca96c7043
--- /dev/null
+++ b/test/wpt/tests/fetch/api/body/cloned-any.js
@@ -0,0 +1,50 @@
+// Changing the body after it have been passed to Response/Request
+// should not change the outcome of the consumed body
+
+const url = 'http://a';
+const method = 'post';
+
+promise_test(async t => {
+  const body = new FormData();
+  body.set('a', '1');
+  const res = new Response(body);
+  const req = new Request(url, { method, body });
+  body.set('a', '2');
+  assert_true((await res.formData()).get('a') === '1');
+  assert_true((await req.formData()).get('a') === '1');
+}, 'FormData is cloned');
+
+promise_test(async t => {
+  const body = new URLSearchParams({a: '1'});
+  const res = new Response(body);
+  const req = new Request(url, { method, body });
+  body.set('a', '2');
+  assert_true((await res.formData()).get('a') === '1');
+  assert_true((await req.formData()).get('a') === '1');
+}, 'URLSearchParams is cloned');
+
+promise_test(async t => {
+  const body = new Uint8Array([97]); // a
+  const res = new Response(body);
+  const req = new Request(url, { method, body });
+  body[0] = 98; // b
+  assert_true(await res.text() === 'a');
+  assert_true(await req.text() === 'a');
+}, 'TypedArray is cloned');
+
+promise_test(async t => {
+  const body = new Uint8Array([97]); // a
+  const res = new Response(body.buffer);
+  const req = new Request(url, { method, body: body.buffer });
+  body[0] = 98; // b
+  assert_true(await res.text() === 'a');
+  assert_true(await req.text() === 'a');
+}, 'ArrayBuffer is cloned');
+
+promise_test(async t => {
+  const body = new Blob(['a']);
+  const res = new Response(body);
+  const req = new Request(url, { method, body });
+  assert_true(await res.blob() !== body);
+  assert_true(await req.blob() !== body);
+}, 'Blob is cloned');