diff --git a/admin_site_upgrade.php b/admin_site_upgrade.php
index <HASH>..<HASH> 100644
--- a/admin_site_upgrade.php
+++ b/admin_site_upgrade.php
@@ -377,7 +377,7 @@ echo '</li>'; flush();
 echo '<li>', WT_I18N::translate('Check file permissions…');
 
 $iterator = new RecursiveDirectoryIterator($zip_dir);
-$iterator->setFlags(RecursiveDirectoryIterator::SKIP_DOTS);
+//$iterator->setFlags(RecursiveDirectoryIterator::SKIP_DOTS);
 foreach (new RecursiveIteratorIterator($iterator) as $file) {
 	$file = WT_ROOT . substr($file, strlen($zip_dir) + 1);
 	if (file_exists($file) && (!is_readable($file) || !is_writable($file))) {
Don't skip files beginning with a dot when checking permissions