diff -r 3e6dd786a5ff -r e52318f11812 Helpviewer/AdBlock/AdBlockRule.py --- a/Helpviewer/AdBlock/AdBlockRule.py Sun Jul 19 18:39:55 2015 +0200 +++ b/Helpviewer/AdBlock/AdBlockRule.py Wed Jul 22 19:45:39 2015 +0200 @@ -423,7 +423,7 @@ @param req request object to check (QNetworkRequest) @return flag indicating a match (boolean) """ - match = req.rawHeader("X-Request-With") == "XMLHttpRequest" + match = req.rawHeader(b"X-Request-With") == "XMLHttpRequest" if self.__xmlhttprequestException: return not match