diff --git a/service-workers/service-worker/next-hop-protocol.https.html b/service-workers/service-worker/next-hop-protocol.https.html
new file mode 100644
index 00000000000000..7efa54c2ac59e2
--- /dev/null
+++ b/service-workers/service-worker/next-hop-protocol.https.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Service Worker: Verify nextHopProtocol is set correctly</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/test-helpers.sub.js"></script>
+<script>
+
+async function getNextHopProtocol(frame, url_suffix) {
+  let url = new URL(`resources/empty.js${url_suffix}`, self.location).href;
+  await frame.contentWindow.fetch(url).then(r => r.text());
+  let entryList = frame.contentWindow.performance.getEntriesByName(url);
+  let entry = entryList[entryList.length - 1];
+  return entry.nextHopProtocol;
+}
+
+promise_test(async (t) => {
+  const scope = 'resources/empty.html?next-hop-protocol';
+  const script = 'resources/fetch-rewrite-worker.js';
+  const expected_h1_protocol = 'http/1.1';
+  let frame;
+
+  const registration =
+      await service_worker_unregister_and_register(t, script, scope);
+  t.add_cleanup(async _ => registration.unregister());
+  await wait_for_state(t, registration.installing, 'activated');
+  frame = await with_iframe(scope);
+  t.add_cleanup(_ => frame.remove());
+
+  assert_equals(await getNextHopProtocol(frame, '?generate-png'), '',
+                'nextHopProtocol is not set on synthetic response');
+  assert_equals(await getNextHopProtocol(frame, '?ignore'), 'http/1.1',
+                'nextHopProtocol is set on fallback');
+  assert_equals(await getNextHopProtocol(frame, ''), 'http/1.1',
+                'nextHopProtocol is set on pass-through');
+  assert_equals(await getNextHopProtocol(frame, '?cache'), 'http/1.1',
+                'nextHopProtocol is set on cached response');
+}, 'nextHopProtocol is reported correctly when routed via a service worker.');
+
+</script>
