From f4a18db748d710616d6886d2283a1661b1993783 Mon Sep 17 00:00:00 2001
From: Remita Amine <remitamine@gmail.com>
Date: Sun, 19 Jan 2020 18:24:00 +0100
Subject: [PATCH] [ard] add a missing condition

---
 youtube_dl/extractor/ard.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/youtube_dl/extractor/ard.py b/youtube_dl/extractor/ard.py
index 09d3ab4f9..2f47e21c3 100644
--- a/youtube_dl/extractor/ard.py
+++ b/youtube_dl/extractor/ard.py
@@ -392,8 +392,9 @@ class ARDBetaMediathekIE(ARDMediathekBaseIE):
         maturity_content_rating = player_page.get('maturityContentRating')
         if maturity_content_rating:
             age_limit = int_or_none(maturity_content_rating.lstrip('FSK'))
-        if not age_limit:
-            age_limit = int_or_none(self._search_regex(r'\(FSK\s*(\d+)\)\s*$', description, 'age limit', default=None))
+        if not age_limit and description:
+            age_limit = int_or_none(self._search_regex(
+                r'\(FSK\s*(\d+)\)\s*$', description, 'age limit', default=None))
         info.update({
             'age_limit': age_limit,
             'display_id': display_id,