diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index 8965806ae..b6cf2b97e 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -347,7 +347,7 @@ def make_args(file, args, name, number):
                 args += ['-movflags', '+faststart']
                 if number == 1:
                     keys.append('')
-            args += self._configuration_args(self.basename, keys)
+            args = self._configuration_args(self.basename, keys) + args
             if name == 'i':
                 args.append('-i')
             return (