From 7c75ae7615aa010cc3efb3eb6ca3f523e8be4abb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Louis=20V=C3=A9zina?=
 <5130500+morpheus65535@users.noreply.github.com>
Date: Mon, 7 Oct 2019 14:50:16 -0400
Subject: [PATCH] Fix for invalid language code.

---
 libs/subliminal_patch/core.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/subliminal_patch/core.py b/libs/subliminal_patch/core.py
index bcfef632b..a4976efc4 100644
--- a/libs/subliminal_patch/core.py
+++ b/libs/subliminal_patch/core.py
@@ -614,6 +614,10 @@ def _search_external_subtitles(path, languages=None, only_one=False, scandir_gen
         # extract the potential language code
         try:
             language_code = p_root.rsplit(".", 1)[1].replace('_', '-')
+            try:
+                language_code = Language.fromietf(language_code)
+            except ValueError:
+                language_code = None
         except IndexError:
             language_code = None