diff --git a/src/lib/adblock/adblockmanager.cpp b/src/lib/adblock/adblockmanager.cpp
index 8bc4ff0ea..df3a9e575 100644
--- a/src/lib/adblock/adblockmanager.cpp
+++ b/src/lib/adblock/adblockmanager.cpp
@@ -202,7 +202,7 @@ AdBlockSubscription* AdBlockManager::addSubscription(const QString &title, const
     QByteArray data = QString("Title: %1\nUrl: %2\n[Adblock Plus 1.1.1]").arg(title, url).toLatin1();
 
     QSaveFile file(filePath);
-    if (!file.open(QFile::WriteOnly | QFile::Truncate)) {
+    if (!file.open(QFile::WriteOnly)) {
         qWarning() << "AdBlockManager: Cannot write to file" << filePath;
         return 0;
     }
diff --git a/src/lib/adblock/adblocksubscription.cpp b/src/lib/adblock/adblocksubscription.cpp
index ea71d0554..b4b964fb0 100644
--- a/src/lib/adblock/adblocksubscription.cpp
+++ b/src/lib/adblock/adblocksubscription.cpp
@@ -182,7 +182,7 @@ bool AdBlockSubscription::saveDownloadedData(const QByteArray &data)
 {
     QSaveFile file(m_filePath);
 
-    if (!file.open(QFile::ReadWrite | QFile::Truncate)) {
+    if (!file.open(QFile::WriteOnly)) {
         qWarning() << "AdBlockSubscription::" << __FUNCTION__ << "Unable to open adblock file for writing:" << m_filePath;
         return false;
     }