diff --git a/script.sh b/script.sh
index 2769e7a..8e58537 100755
--- a/script.sh
+++ b/script.sh
@@ -1,4 +1,4 @@
-#!/bin/zsh
+#!/usr/bin/zsh
 video=$1
 music=$2
 image=$3
@@ -11,10 +11,10 @@ musicLength=$(ffprobe -v error -show_entries format=duration -of default=noprint
 length=$(($(($musicLength-$stopDur)) / $videoLength))
 
 
-ffmpeg -i $video -i $music -map 0:v -map 1:a -filter:v "setpts=$length*PTS,tpad=stop_mode=clone:stop_duration=$stopDur" -af "afade=t=out:st=28:d=3" -y $video-fst-noimg.mp4
+ffmpeg -i $video -i $music -map 0:v -map 1:a -filter:v "setpts=$length*PTS,tpad=stop_mode=clone:stop_duration=$stopDur" -af "afade=t=out:st=28:d=3" -vsync 1 -y $video-fst-noimg.mp4
 
 ffmpeg -i $video-fst-noimg.mp4 -i $image -filter_complex "overlay=x=(main_w-overlay_w)-125:y=(main_h-overlay_h)-10" -y $video-fst-img.mp4
 
 ffmpeg -i $video-fst-img.mp4 -ss 00:00:$musicLength -s 682x415 -frames:v 1 $video-thumb.jpeg
 
-rm $video-fst-noimg.mp4
\ No newline at end of file
+#rm $video-fst-noimg.mp4
\ No newline at end of file