diff --git a/vinetrimmer/objects/tracks.py b/vinetrimmer/objects/tracks.py
index c43c49c..62b4aef 100644
--- a/vinetrimmer/objects/tracks.py
+++ b/vinetrimmer/objects/tracks.py
@@ -1027,7 +1027,7 @@ class Tracks:
 				continue
 			self.audios = sorted(
 				self.audios,
-				key=lambda x: "" if is_close_match(language, [x.language]) else str(x.language)
+				key=str(x.language) if str(x.language) != "" else "und" #lambda x: "" if is_close_match(language, [x.language]) else str(x.language)
 			)
 
 	def sort_subtitles(self, by_language=None):