From 2160768a215849e82a167912cb8f0aa054e87d8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Sat, 30 Jun 2018 23:39:56 +0700
Subject: [PATCH] [npo] Fix typo (closes #16872)

---
 youtube_dl/extractor/npo.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/npo.py b/youtube_dl/extractor/npo.py
index cb8319f0d..c2cb85a73 100644
--- a/youtube_dl/extractor/npo.py
+++ b/youtube_dl/extractor/npo.py
@@ -282,7 +282,7 @@ class NPOIE(NPOBaseIE):
                 video_url = stream_info.get('url')
             if not video_url or video_url in urls:
                 continue
-            urls.add(item_url)
+            urls.add(video_url)
             if determine_ext(video_url) == 'm3u8':
                 formats.extend(self._extract_m3u8_formats(
                     video_url, video_id, ext='mp4',