diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2269de6..884ae1c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [12, 14, 16, 18, 20, 22]
+        node: [16, 18, 20, 22]
     name: Node ${{ matrix.node }} sample
     steps:
       - uses: actions/checkout@v4
diff --git a/package.json b/package.json
index 4b0b191..7f36f2b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "web-worker",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "description": "Consistent Web Workers in browser and Node.",
   "main": "./dist/browser/index.cjs",
   "browser": "./dist/browser/index.cjs",
diff --git a/src/node/index.js b/src/node/index.js
index 528c5e7..c8e9eb2 100644
--- a/src/node/index.js
+++ b/src/node/index.js
@@ -176,7 +176,7 @@ function workerThread() {
 
 	const isDataUrl = /^data:/.test(mod);
 	if (type === 'module') {
-		import(URL.pathToFileURL(mod))
+		import(isDataUrl ? mod : URL.pathToFileURL(mod))
 			.catch(err => {
 				if (isDataUrl && err.message === 'Not supported') {
 					console.warn('Worker(): Importing data: URLs requires Node 12.10+. Falling back to classic worker.');
diff --git a/test/index.test.js b/test/index.test.js
index 9dd4d1b..448b7c9 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -19,8 +19,8 @@ import Worker from '../dist/node/index.cjs';
 
 let worker;
 
-function createModuleWorker(url) {
-	const worker = new Worker(url, { type: 'module' });
+function createModuleWorker(url, opts) {
+	const worker = new Worker(url, opts || { type: 'module' });
 	worker.events = [];
 	worker.addEventListener('message', e => {
 		worker.events.push(e);
@@ -75,3 +75,19 @@ test.serial('close', async t => {
 	});
 	t.is(closed, true, 'should have closed itself');
 });
+
+test.serial('data URL - module', async t => {
+	t.teardown(() => worker && worker.terminate());
+	const worker = createModuleWorker('data:application/javascript,postMessage(42)');
+	await sleep(500);
+	t.is(worker.events.length, 1, 'should have received a message event');
+	t.is(worker.events[0].data, 42);
+});
+
+test.serial('data URL - classic', async t => {
+	t.teardown(() => worker && worker.terminate());
+	const worker = createModuleWorker('data:application/javascript,postMessage(42)', {});
+	await sleep(500);
+	t.is(worker.events.length, 1, 'should have received a message event');
+	t.is(worker.events[0].data, 42);
+});