diff --git a/packages/php-wasm/node/src/lib/extensions/intl/with-intl.ts b/packages/php-wasm/node/src/lib/extensions/intl/with-intl.ts
index 12ece415a0..6fc7fc5cbc 100644
--- a/packages/php-wasm/node/src/lib/extensions/intl/with-intl.ts
+++ b/packages/php-wasm/node/src/lib/extensions/intl/with-intl.ts
@@ -5,6 +5,7 @@ import type {
 } from '@php-wasm/universal';
 import { LatestSupportedPHPVersion, FSHelpers } from '@php-wasm/universal';
 import fs from 'fs';
+import path from 'path';
 import { getIntlExtensionModule } from './get-intl-extension-module';
 
 export async function withIntl(
@@ -16,7 +17,9 @@ export async function withIntl(
 	const extension = fs.readFileSync(extensionPath);
 
 	const dataName = 'icu.dat';
-	const dataPath = `${__dirname}/shared/${dataName}`;
+	const moduleDir =
+		typeof __dirname !== 'undefined' ? __dirname : import.meta.dirname;
+	const dataPath = path.join(moduleDir, 'shared', dataName);
 	const ICUData = fs.readFileSync(dataPath);
 
 	return {
diff --git a/packages/playground/test-built-npm-packages/es-modules-and-vitest/run-tests.ts b/packages/playground/test-built-npm-packages/es-modules-and-vitest/run-tests.ts
index d1ee9017f8..532653b355 100644
--- a/packages/playground/test-built-npm-packages/es-modules-and-vitest/run-tests.ts
+++ b/packages/playground/test-built-npm-packages/es-modules-and-vitest/run-tests.ts
@@ -117,6 +117,6 @@ if (numTimedOut > 0) {
 	console.log(red(`${numTimedOut} / ${results.length} tests timed out`));
 }
 
-if (numFailed > 0) {
+if (numFailed > 0 || numTimedOut > 0) {
 	process.exit(1);
 }