diff --git a/record.ts b/record.ts
index 99a09b9..370c302 100755
--- a/record.ts
+++ b/record.ts
@@ -61,7 +61,7 @@ void (async function () {
     "12M",
     "-f",
     "mp4",
-    "output.mp4",
+    `output-${Date.now()}.mp4`,
   ]);
   console.log("started ffmpeg...");