diff --git a/src/Filesystem.php b/src/Filesystem.php
index 1b1b7fe..4422045 100644
--- a/src/Filesystem.php
+++ b/src/Filesystem.php
@@ -106,7 +106,7 @@ public function __construct($options = null, ?FilesystemInteractionInterface $fi
 
         // clean total space buffer on change cache_dir
         $events     = $this->getEventManager();
-        $handle     = function () {
+        $handle     = function (): void {
         };
         $totalSpace = &$this->totalSpace;
         $callback   = function ($event) use (&$events, &$handle, &$totalSpace) {
diff --git a/test/unit/FilesystemTest.php b/test/unit/FilesystemTest.php
index ebe8f80..e9346cd 100644
--- a/test/unit/FilesystemTest.php
+++ b/test/unit/FilesystemTest.php
@@ -89,6 +89,16 @@ protected function tearDown(): void
         parent::tearDown();
     }
 
+    public function testFileSystemeOptionIsUpdatedWhenFileSystemeOptionIsChange(): void
+    {
+        $storage = new Filesystem();
+        $options = new FilesystemOptions();
+        $storage->setOptions($options);
+        $options->setCacheDir($this->tmpCacheDir);
+
+        $this->assertSame($this->tmpCacheDir, $storage->getOptions()->getCacheDir());
+    }
+
     public function testSetNoAtimeChangesAtimeOfMetadataCapability(): void
     {
         $capabilities = $this->storage->getCapabilities();