diff --git a/lib/private/Files/ObjectStore/S3ObjectTrait.php b/lib/private/Files/ObjectStore/S3ObjectTrait.php
index a81e215db6d88..97a588ca2e141 100644
--- a/lib/private/Files/ObjectStore/S3ObjectTrait.php
+++ b/lib/private/Files/ObjectStore/S3ObjectTrait.php
@@ -91,7 +91,7 @@ public function readObject($urn) {
 	 * @throws \Exception when something goes wrong, message will be logged
 	 * @since 7.0.0
 	 */
-	public function writeObject($urn, $stream, string $mimetype = null)
+	public function writeObject($urn, $stream, string $mimetype = null) {
 		$count = 0;
 		$countStream = CallbackWrapper::wrap($stream, function ($read) use (&$count) {
 			$count += $read;