diff -r ff666d8230f7 -r 711e7c35a49b Helpviewer/Network/NetworkAccessManager.py --- a/Helpviewer/Network/NetworkAccessManager.py Thu Jul 23 20:14:30 2015 +0200 +++ b/Helpviewer/Network/NetworkAccessManager.py Sat Jul 25 13:02:39 2015 +0200 @@ -190,7 +190,7 @@ # Send referer header? if not self.__sendReferer and \ req.url().host() not in Preferences.getHelp("SendRefererWhitelist"): - req.setRawHeader(b"Referer", "") + req.setRawHeader(b"Referer", b"") reply = QNetworkAccessManager.createRequest( self, op, req, outgoingData)