diff --git a/core/Command/SystemTag/ListCommand.php b/core/Command/SystemTag/ListCommand.php
index f9d17efd51360..2dc68a0567024 100644
--- a/core/Command/SystemTag/ListCommand.php
+++ b/core/Command/SystemTag/ListCommand.php
@@ -23,8 +23,8 @@
 namespace OC\Core\Command\SystemTag;
 
 use OC\Core\Command\Base;
-use OCP\SystemTag\ISystemTagManager;
 use OCP\SystemTag\ISystemTag;
+use OCP\SystemTag\ISystemTagManager;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -72,7 +72,9 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 	 * @param ISystemtag[] $tags
 	 * @return array
 	 */
-	private function formatTags(array $tags) {
+	private function formatTags(array $tags): array {
+		$result = [];
+
 		foreach ($tags as $tag) {
 			$result[$tag->getId()] = [
 				'name' => $tag->getName(),