diff --git a/test/rollup/app-createWorker.js b/test/rollup/app-createWorker.js
new file mode 100644
index 00000000..a6cd9484
--- /dev/null
+++ b/test/rollup/app-createWorker.js
@@ -0,0 +1,17 @@
+import { createWorker } from "../../createWorker.mjs"
+import { spawn, Thread } from "../../"
+
+async function run() {
+  const add = await spawn(await createWorker("./worker.js", {backend: "node"}))
+  const result = await add(2, 3)
+  await Thread.terminate(add)
+  return result
+}
+
+run().then(result => {
+  console.log(`Result: ${result}`)
+  puppet.exit(0)
+}).catch(error => {
+  console.error(error)
+  puppet.exit(1)
+})
diff --git a/test/rollup/rollup.test.ts b/test/rollup/rollup.test.ts
index 42e6253d..39ea6b96 100644
--- a/test/rollup/rollup.test.ts
+++ b/test/rollup/rollup.test.ts
@@ -12,6 +12,11 @@ test("can be bundled using rollup", async t => {
     ...config
   })
 
+  const appCreateWorkerBundleP = rollup({
+     input: path.resolve(__dirname, "app-createWorker.js"),
+    ...config
+  })
+
   const workerBundleP = rollup({
     input: path.resolve(__dirname, "worker.js"),
     ...config
@@ -22,12 +27,17 @@ test("can be bundled using rollup", async t => {
     format: "iife"
   })
 
+  const appCreateWorkerBundleWriteP = (await appCreateWorkerBundleP).write({
+    dir: path.resolve(__dirname, "dist"),
+    format: "es"
+  })
+
   const workerBundleWriteP = (await workerBundleP).write({
     dir: path.resolve(__dirname, "dist"),
     format: "iife"
   })
 
-  await Promise.all([appBundleWriteP, workerBundleWriteP])
+  await Promise.all([appBundleWriteP, workerBundleWriteP, appCreateWorkerBundleWriteP])
 
   if (process.platform === "win32") {
     // Quick-fix for weird Windows issue in CI