From 0448c9d26215b3b4cf4c4b745a54e3bbfcfac6f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Louis=20V=C3=A9zina?=
 <5130500+morpheus65535@users.noreply.github.com>
Date: Mon, 27 Jul 2020 22:03:52 -0400
Subject: [PATCH] Fix for history logging label of synced subtitles based on
 unknown language audio track.

---
 bazarr/subsyncer.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bazarr/subsyncer.py b/bazarr/subsyncer.py
index 7ff162dfe..83633f8c9 100644
--- a/bazarr/subsyncer.py
+++ b/bazarr/subsyncer.py
@@ -60,7 +60,8 @@ class SubSyncer:
                         self.reference_stream = "s:{}".format(i)
                         break
             if not self.reference_stream:
-                using_what = "{0} embedded subtitle track".format(language_from_alpha3(embedded_subs['language'].alpha3))
+                using_what = "{0} embedded subtitle track".format(
+                    language_from_alpha3(embedded_subs['language'].alpha3) or 'unknown language audio track')
                 self.reference_stream = "s:0"
         elif 'audio' in data:
             audio_tracks = data['audio']