diff --git a/src/libsync/syncengine.cpp b/src/libsync/syncengine.cpp
index 4a9f656a4712..8f8dcecec31c 100644
--- a/src/libsync/syncengine.cpp
+++ b/src/libsync/syncengine.cpp
@@ -390,7 +390,11 @@ void OCC::SyncEngine::slotItemDiscovered(const OCC::SyncFileItemPtr &item)
             }
 
             if (item->_type == CSyncEnums::ItemTypeVirtualFile) {
-                if (item->_locked == SyncFileItem::LockStatus::LockedItem && (item->_lockOwnerType != SyncFileItem::LockOwnerType::TokenLock || item->_lockOwnerId != account()->davUser())) {
+                const auto lockOwnerTypeToSkipReadonly = _account->capabilities().filesLockTypeAvailable()
+                    ? SyncFileItem::LockOwnerType::TokenLock
+                    : SyncFileItem::LockOwnerType::UserLock;
+                if (item->_locked == SyncFileItem::LockStatus::LockedItem
+                    && (item->_lockOwnerType != lockOwnerTypeToSkipReadonly || item->_lockOwnerId != account()->davUser())) {
                     qCDebug(lcEngine()) << filePath << "file is locked: making it read only";
                     FileSystem::setFileReadOnly(filePath, true);
                 } else {
diff --git a/src/libsync/syncfileitem.cpp b/src/libsync/syncfileitem.cpp
index 6bf10cd7af1b..a7fd1c7d53e9 100644
--- a/src/libsync/syncfileitem.cpp
+++ b/src/libsync/syncfileitem.cpp
@@ -219,8 +219,8 @@ SyncFileItemPtr SyncFileItem::fromProperties(const QString &filePath, const QMap
         const auto intConvertedValue = properties.value(QStringLiteral("lock-timeout")).toULongLong(&ok);
         item->_lockTimeout = ok ? intConvertedValue : 0;
     }
-
-    const auto date = QDateTime::fromString(properties.value(QStringLiteral("getlastmodified")), Qt::RFC2822Date);
+    const auto lastModifiedValue = properties.value(QStringLiteral("getlastmodified")).replace("GMT", "+0000");
+    const auto date = QDateTime::fromString(lastModifiedValue, Qt::RFC2822Date);
     Q_ASSERT(date.isValid());
     if (date.toSecsSinceEpoch() > 0) {
         item->_modtime = date.toSecsSinceEpoch();