diff --git a/packages/media/ref/package.json b/packages/media/ref/package.json
index 3d41f5b4..1f3c2f8d 100644
--- a/packages/media/ref/package.json
+++ b/packages/media/ref/package.json
@@ -19,7 +19,10 @@
     "watch": "tsc --watch",
     "start": "node dist/cli.js",
     "dev": "ts-node --esm src/cli.ts",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "test:coverage": "vitest run --coverage",
+    "test:ui": "vitest --ui"
   },
   "keywords": [
     "yt-dlp",
diff --git a/packages/media/ref/src/ytdlp.ts b/packages/media/ref/src/ytdlp.ts
index 092ca9ea..bad78e00 100644
--- a/packages/media/ref/src/ytdlp.ts
+++ b/packages/media/ref/src/ytdlp.ts
@@ -181,7 +181,7 @@ export class YtDlp {
       
       // Add user agent if specified in global options
       if (this.options.userAgent) {
-        args.push('--user-agent', this.options.userAgent);
+        args.push('--user-agent', `"${this.options.userAgent}"`);
       }
       
       // Add VideoInfoOptions flags