diff --git a/MTSP/__init__.py b/MTSP/__init__.py
index eed5c56..c4b5b1c 100644
--- a/MTSP/__init__.py
+++ b/MTSP/__init__.py
@@ -87,6 +87,12 @@ class MTSP(Service):
 		r = self.session.post(title.data['streamAccess'])
 		access = r.json()
 		tracks = DASH.from_url(access["data"]["stream"]["dash"]).to_tracks(title.language)
+
+		# Audio tracks sometimes have 'random' language codes in the DASH manifest.
+		# Since there is only ever one language in practice anyway, force it to the correct one.
+		for track in tracks:
+			track.language = title.language
+
 		return tracks
 
 	def get_chapters(self, title: Movie) -> list[Chapter]: