Fix bug in 8a7f68d0b12d0f4910a15b59a3ec090bbf83b6f2

Closes #3241

diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index 0b18e87746e006d3672e77990162c598c5de5e27..5216acbfb652a8253924d76690cc30abef9b2f09 100644 (file)
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -95,7 +95,7 @@ def _determine_executables(self):
 
         def get_ffmpeg_version(path, prog):
             if path in self._version_cache:
-                self._versions[path], self._features = self._version_cache[path], self._features_cache.get(path, {})
+                self._versions[prog], self._features = self._version_cache[path], self._features_cache.get(path, {})
                 return
             out = _get_exe_version_output(path, ['-bsfs'], to_screen=self.write_debug)
             ver = detect_exe_version(out) if out else False