From dca7f3879f346d394729aa74640644d28feee673 Mon Sep 17 00:00:00 2001
From: Flavio Tordini <flavio.tordini@gmail.com>
Date: Fri, 10 May 2019 15:08:37 +0200
Subject: [PATCH] Only append "signature" param when not empty

---
 src/ytvideo.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ytvideo.cpp b/src/ytvideo.cpp
index 738fffc..32794e2 100644
--- a/src/ytvideo.cpp
+++ b/src/ytvideo.cpp
@@ -146,7 +146,7 @@ void YTVideo::parseFmtUrlMap(const QString &fmtUrlMap, bool fromWebPage) {
         }
         if (format == -1 || url.isNull()) continue;
 
-        url += QLatin1String("&signature=") + sig;
+        if (!sig.isEmpty()) url += QLatin1String("&signature=") + sig;
 
         if (!url.contains(QLatin1String("ratebypass"))) url += QLatin1String("&ratebypass=yes");