diff --git a/lib/private/Files/ObjectStore/ObjectStoreStorage.php b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
index 45c22a81a7..8adc12297d 100644
--- a/lib/private/Files/ObjectStore/ObjectStoreStorage.php
+++ b/lib/private/Files/ObjectStore/ObjectStoreStorage.php
@@ -423,4 +423,8 @@ class ObjectStoreStorage extends \OC\Files\Storage\Common {
 	public function hasUpdated($path, $time) {
 		return false;
 	}
+
+	public function needsPartFile() {
+		return false;
+	}
 }