diff --git a/vid_convert.py b/vid_convert.py
index cad923a..ac3717c 100755
--- a/vid_convert.py
+++ b/vid_convert.py
@@ -211,10 +211,10 @@ if __name__ == '__main__':
         for track in infos['audio']:
             convert_audio(file, track['index'], volumes[track['index']], track['channels'], track['channel_layout'], track['language'], track['title'])
     if args.starttime:
-        vid_part_time = args.starttime
+        vid_part_time = int(args.starttime)
     else:
         vid_part_time = 0
     while vid_part_time < infos['duration']:
-        crf = 20
+        crf = 19
         convert_video(file, infos, vid_part_time, cropsize, crf)
         vid_part_time += 300