From 97e897a9caf0dabe143af93619b437f07088315d Mon Sep 17 00:00:00 2001
From: Philipp <admin+Github@philipp.info>
Date: Sat, 1 Apr 2023 23:00:43 +0200
Subject: [PATCH] Update System.php

---
 src/Core/System.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Core/System.php b/src/Core/System.php
index d706e74d4c..00bdcd455c 100644
--- a/src/Core/System.php
+++ b/src/Core/System.php
@@ -526,7 +526,7 @@ class System
 	 *
 	 * @return boolean the directory is usable
 	 */
-	private static function isDirectoryUsable($directory): bool
+	private static function isDirectoryUsable(string $directory): bool
 	{
 		if (empty($directory)) {
 			Logger::warning('Directory is empty. This shouldn\'t happen.');