From b31ec7af0cc67aadc75a2a29318695be029cb32a Mon Sep 17 00:00:00 2001
From: Aaron Piotrowski <aaron@trowski.com>
Date: Sat, 9 Mar 2024 09:39:41 -0600
Subject: [PATCH] Fix Psalm issue

---
 src/FileCache.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/FileCache.php b/src/FileCache.php
index d69501f..66da94b 100644
--- a/src/FileCache.php
+++ b/src/FileCache.php
@@ -29,7 +29,8 @@ public function __construct(
         private readonly KeyedMutex $mutex,
         ?Filesystem $filesystem = null,
     ) {
-        $this->filesystem = $filesystem ?? filesystem();
+        $filesystem ??= filesystem();
+        $this->filesystem = $filesystem;
         $this->directory = $directory = \rtrim($directory, "/\\");
 
         $gcWatcher = static function () use ($directory, $mutex, $filesystem): void {