diff --git a/src/librssguard/network-web/basenetworkaccessmanager.cpp b/src/librssguard/network-web/basenetworkaccessmanager.cpp
index f1fe1c420..dbdb71f02 100644
--- a/src/librssguard/network-web/basenetworkaccessmanager.cpp
+++ b/src/librssguard/network-web/basenetworkaccessmanager.cpp
@@ -55,8 +55,10 @@ QNetworkReply* BaseNetworkAccessManager::createRequest(QNetworkAccessManager::Op
                                                        QIODevice* outgoingData) {
   QNetworkRequest new_request = request;
 
+#if !defined (Q_OS_OS2)
   new_request.setAttribute(QNetworkRequest::Attribute::HttpPipeliningAllowedAttribute, true);
   new_request.setAttribute(QNetworkRequest::Attribute::Http2AllowedAttribute, true);
+#endif
 
 #if QT_VERSION >= 0x050900
   new_request.setAttribute(QNetworkRequest::Attribute::RedirectPolicyAttribute,