diff --git a/src/libsync/discovery.cpp b/src/libsync/discovery.cpp
index 089717f621684..a23291fe45fbb 100644
--- a/src/libsync/discovery.cpp
+++ b/src/libsync/discovery.cpp
@@ -57,6 +57,7 @@ ProcessDirectoryJob::ProcessDirectoryJob(DiscoveryPhase *data, PinState basePinS
 ProcessDirectoryJob::ProcessDirectoryJob(const PathTuple &path, const SyncFileItemPtr &dirItem, QueryMode queryLocal, QueryMode queryServer, qint64 lastSyncTimestamp, ProcessDirectoryJob *parent)
     : QObject(parent)
     , _dirItem(dirItem)
+    , _dirParentItem(parent->_dirItem)
     , _lastSyncTimestamp(lastSyncTimestamp)
     , _queryServer(queryServer)
     , _queryLocal(queryLocal)
@@ -67,9 +68,10 @@ ProcessDirectoryJob::ProcessDirectoryJob(const PathTuple &path, const SyncFileIt
     computePinState(parent->_pinState);
 }
 
-ProcessDirectoryJob::ProcessDirectoryJob(DiscoveryPhase *data, PinState basePinState, const PathTuple &path, const SyncFileItemPtr &dirItem, QueryMode queryLocal, qint64 lastSyncTimestamp, QObject *parent)
+ProcessDirectoryJob::ProcessDirectoryJob(DiscoveryPhase *data, PinState basePinState, const PathTuple &path, const SyncFileItemPtr &dirItem, const SyncFileItemPtr &parentDirItem, QueryMode queryLocal, qint64 lastSyncTimestamp, QObject *parent)
         : QObject(parent)
         , _dirItem(dirItem)
+        , _dirParentItem(parentDirItem)
         , _lastSyncTimestamp(lastSyncTimestamp)
         , _queryLocal(queryLocal)
         , _discoveryData(data)
@@ -1826,6 +1828,9 @@ bool ProcessDirectoryJob::checkPermissions(const OCC::SyncFileItemPtr &item)
             qCWarning(lcDisco) << "checkForPermission: ERROR" << item->_file;
             item->_instruction = CSYNC_INSTRUCTION_ERROR;
             item->_errorString = tr("Not allowed because you don't have permission to add subfolders to that folder");
+            const auto localPath = QString{_discoveryData->_localDir + item->_file};
+            qCWarning(lcDisco) << "unexpected new folder in a read-only folder will be made read-write" << localPath;
+            FileSystem::setFolderPermissions(localPath, FileSystem::FolderPermissions::ReadWrite);
             return false;
         } else if (!item->isDirectory() && !perms.hasPermission(RemotePermissions::CanAddFile)) {
             qCWarning(lcDisco) << "checkForPermission: ERROR" << item->_file;
@@ -2017,6 +2022,21 @@ int ProcessDirectoryJob::processSubJobs(int nbJobs)
             if (_childModified && _dirItem->_instruction == CSYNC_INSTRUCTION_REMOVE) {
                 // re-create directory that has modified contents
                 _dirItem->_instruction = CSYNC_INSTRUCTION_NEW;
+
+                const auto perms = !_rootPermissions.isNull() ? _rootPermissions
+                    : _dirParentItem ? _dirParentItem->_remotePerm : _rootPermissions;
+
+                if (perms.isNull()) {
+                    // No permissions set
+                } else if (_dirItem->isDirectory() && !perms.hasPermission(RemotePermissions::CanAddSubDirectories)) {
+                    qCWarning(lcDisco) << "checkForPermission: ERROR" << _dirItem->_file;
+                    _dirItem->_instruction = CSYNC_INSTRUCTION_ERROR;
+                    _dirItem->_errorString = tr("Not allowed because you don't have permission to add subfolders to that folder");
+                    const auto localPath = QString{_discoveryData->_localDir + _dirItem->_file};
+                    qCWarning(lcDisco) << "unexpected new folder in a read-only folder will be made read-write" << localPath;
+                    FileSystem::setFolderPermissions(localPath, FileSystem::FolderPermissions::ReadWrite);
+                }
+
                 _dirItem->_direction = _dirItem->_direction == SyncFileItem::Up ? SyncFileItem::Down : SyncFileItem::Up;
             }
             if (_childModified && _dirItem->_instruction == CSYNC_INSTRUCTION_TYPE_CHANGE && !_dirItem->isDirectory()) {
diff --git a/src/libsync/discovery.h b/src/libsync/discovery.h
index 62d1f493c5132..840eb15d61169 100644
--- a/src/libsync/discovery.h
+++ b/src/libsync/discovery.h
@@ -108,8 +108,8 @@ class ProcessDirectoryJob : public QObject
         QueryMode queryLocal, QueryMode queryServer, qint64 lastSyncTimestamp,
         ProcessDirectoryJob *parent);
 
-    explicit ProcessDirectoryJob(DiscoveryPhase *data, PinState basePinState, const PathTuple &path, const SyncFileItemPtr &dirItem,
-        QueryMode queryLocal, qint64 lastSyncTimestamp, QObject *parent);
+    explicit ProcessDirectoryJob(DiscoveryPhase *data, PinState basePinState, const PathTuple &path, const SyncFileItemPtr &dirItem, const SyncFileItemPtr &parentDirItem,
+                                 QueryMode queryLocal, qint64 lastSyncTimestamp, QObject *parent);
 
     void start();
     /** Start up to nbJobs, return the number of job started; emit finished() when done */
@@ -126,6 +126,7 @@ class ProcessDirectoryJob : public QObject
     }
 
     SyncFileItemPtr _dirItem;
+    SyncFileItemPtr _dirParentItem;
 
 private:
     struct Entries
diff --git a/src/libsync/syncengine.cpp b/src/libsync/syncengine.cpp
index 4a95dc0981914..3f0cd9b3cd711 100644
--- a/src/libsync/syncengine.cpp
+++ b/src/libsync/syncengine.cpp
@@ -721,6 +721,7 @@ void SyncEngine::startSync()
             pinState,
             path,
             singleItemDiscoveryOptions().discoveryDirItem,
+            {},
             localQueryMode,
             _journal->keyValueStoreGetInt("last_sync", 0),
             _discoveryPhase.data()