From 6f0be937473c5d5f60cd8e712287fcee844093d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Sun, 15 Jan 2017 06:09:32 +0700
Subject: [PATCH] [YoutubeDL] Improve protocol auto determining (closes #11720)

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

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 5d654f55f..41d9a63ee 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1363,7 +1363,7 @@ class YoutubeDL(object):
                 format['ext'] = determine_ext(format['url']).lower()
             # Automatically determine protocol if missing (useful for format
             # selection purposes)
-            if 'protocol' not in format:
+            if format.get('protocol') is None:
                 format['protocol'] = determine_protocol(format)
             # Add HTTP headers, so that external programs can use them from the
             # json output