diff --git a/integration-tests/js-compute/fixtures/app/src/dynamic-backend.js b/integration-tests/js-compute/fixtures/app/src/dynamic-backend.js
index a3c3d12a81..e746aab347 100644
--- a/integration-tests/js-compute/fixtures/app/src/dynamic-backend.js
+++ b/integration-tests/js-compute/fixtures/app/src/dynamic-backend.js
@@ -57,7 +57,11 @@ routes.set('/backend/timeout', async () => {
   );
   routes.set('/implicit-dynamic-backend/dynamic-backends-enabled', async () => {
     allowDynamicBackends(true);
-    await assertResolves(() => fetch('https://http-me.glitch.me/headers'));
+    await assertResolves(async () => {
+      const res = await fetch('https://http-me.glitch.me/headers');
+      const backend = new Backend(res.backend);
+      strictEqual(backend.isSSL, true);
+    });
     await assertResolves(() => fetch('https://www.fastly.com'));
     enforceExplicitBackends();
     await assertRejects(() => fetch('https://www.fastly.com'));