diff --git a/package.json b/package.json
index b1bcb04..546e994 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
         "lint": "eslint --max-warnings=0 .",
         "issue": "cd issue && tsc && node issue.js",
         "prepare": "copyfiles -f ./node_modules/@dlemstra/magick-native/NOTICE . && copyfiles -f ./node_modules/@dlemstra/magick-native/magick.wasm dist",
-        "test": "vitest run --poolOptions.threads.isolate false",
+        "test": "vitest run",
         "test-dist": "node tests/dist/test-dist",
         "update-index": "cd tools && tsc && node update-index.js ../src"
     },
diff --git a/vite.config.ts b/vite.config.ts
index 795975d..37a7a42 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -14,6 +14,11 @@ export default defineConfig({
         globals: true,
         setupFiles: './tests/custom-environment.ts',
         logHeapUsage: true,
+        poolOptions: {
+            threads: {
+                isolate: false,
+            },
+        },
     },
     resolve: {
         alias: {