diff --git a/eslint.config.mjs b/eslint.config.mjs
index 5704365..fa924e2 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -38,6 +38,8 @@ export default tseslint.config(
 			'dist-docs',
 			'packages/mp3-encoder/dist',
 			'packages/mp3-encoder/build',
+			'packages/ac3/dist',
+			'packages/ac3/build',
 			'eslint.config.mjs',
 			'docs/.vitepress/cache',
 			'test/public',
diff --git a/package.json b/package.json
index 599e156..f72131f 100644
--- a/package.json
+++ b/package.json
@@ -32,9 +32,10 @@
     "build": "./scripts/build.sh",
     "watch": "tsx scripts/bundle.ts --watch",
     "lint": "eslint .",
-    "test": "npx vitest --run",
-    "test-node": "npm run test node/",
-    "test-browser": "npm run test browser/",
+    "test": "npm run pre-test && npx vitest --run",
+    "test-node": "npm run pre-test && npm run test node/",
+    "test-browser": "npm run pre-test && npm run test browser/",
+    "pre-test": "tsx scripts/bundle.ts",
     "check": "./scripts/check.sh",
     "check-docblocks": "tsx scripts/check-docblocks.ts dist/mediabunny.d.ts",
     "docs:dev": "vitepress dev docs",