diff --git a/apps/dav/lib/Connector/Sabre/File.php b/apps/dav/lib/Connector/Sabre/File.php
index f948f0f552d31..c4b9fbff08d72 100644
--- a/apps/dav/lib/Connector/Sabre/File.php
+++ b/apps/dav/lib/Connector/Sabre/File.php
@@ -165,7 +165,7 @@ public function put($data) {
 				$this->changeLock(ILockingProvider::LOCK_EXCLUSIVE);
 			}
 
-			if ($partStorage->instanceOfStorage(Storage\IWriteStreamStorage::class)) {
+			if (false && $partStorage->instanceOfStorage(Storage\IWriteStreamStorage::class)) {
 				$count = $partStorage->writeStream($internalPartPath, $data);
 				$result = $count > 0;
 				if ($result === false) {