diff --git a/api/video.php b/api/video.php
index 76b6770..e3de960 100644
--- a/api/video.php
+++ b/api/video.php
@@ -18,7 +18,7 @@ $audio = $param["a"] ?? 0;
 if (!is_dir("video/"))
     mkdir("video/");
 
-$err = ffmpeg($path, "video/$cacheid.mp4", ["-map", "0:v:$video", "-map", "0:a:$audio", "-c", "copy"]);
+$err = ffmpeg($path, "video/$cacheid.mp4", ["-movflags", "faststart", "-map", "0:v:$video", "-map", "0:a:$audio", "-c", "copy"]);
 
 if ($err)
 {