From 97c5be383c78da84efdb6ea9334ee95b198a2f1d Mon Sep 17 00:00:00 2001
From: Remita Amine <remitamine@gmail.com>
Date: Tue, 24 Nov 2020 23:25:03 +0100
Subject: [PATCH] [viki] fix video API request(closes #27184)

---
 youtube_dl/extractor/viki.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/youtube_dl/extractor/viki.py b/youtube_dl/extractor/viki.py
index a003b7af8..a311f21ef 100644
--- a/youtube_dl/extractor/viki.py
+++ b/youtube_dl/extractor/viki.py
@@ -20,6 +20,7 @@ from ..utils import (
     parse_age_limit,
     parse_iso8601,
     sanitized_Request,
+    std_headers,
 )
 
 
@@ -226,8 +227,10 @@ class VikiIE(VikiBaseIE):
 
         resp = self._download_json(
             'https://www.viki.com/api/videos/' + video_id,
-            video_id, 'Downloading video JSON',
-            headers={'x-viki-app-ver': '4.0.57'})
+            video_id, 'Downloading video JSON', headers={
+                'x-client-user-agent': std_headers['User-Agent'],
+                'x-viki-app-ver': '4.0.57',
+            })
         video = resp['video']
 
         self._check_errors(video)