diff --git a/tests/Functional/Net/SFTPUserStoryTest.php b/tests/Functional/Net/SFTPUserStoryTest.php
index 0272da72..bf3d8ff8 100644
--- a/tests/Functional/Net/SFTPUserStoryTest.php
+++ b/tests/Functional/Net/SFTPUserStoryTest.php
@@ -792,7 +792,7 @@ class SFTPUserStoryTest extends PhpseclibFunctionalTestCase
     /**
      * @depends testRawlistDisabledStatCache
      */
-    public function testChownChgrp(SFTP $sftp): void
+    public function testChownChgrp(SFTP $sftp)
     {
         $stat = $sftp->stat(self::$scratchDir);
         $this->assertTrue($sftp->chown(self::$scratchDir, $stat['uid']));