diff --git a/apps/files_external/lib/Lib/Storage/AmazonS3.php b/apps/files_external/lib/Lib/Storage/AmazonS3.php
index 1e8be4131fe34..4e3eb4bf5f270 100644
--- a/apps/files_external/lib/Lib/Storage/AmazonS3.php
+++ b/apps/files_external/lib/Lib/Storage/AmazonS3.php
@@ -307,7 +307,7 @@ private function batchDelete($path = null) {
 					$connection->deleteObjects([
 						'Bucket' => $this->bucket,
 						'Delete' => [
-							'Objects' => $objects['Contents']
+							'Objects' => $objects['Contents'],
 						]
 					]);
 					$this->testTimeout();