diff --git a/lib/private/Files/Storage/Common.php b/lib/private/Files/Storage/Common.php
index 7239c58a8a103..cfb2d621e1e10 100644
--- a/lib/private/Files/Storage/Common.php
+++ b/lib/private/Files/Storage/Common.php
@@ -225,6 +225,7 @@ public function copy($path1, $path2) {
 			while ($file = readdir($dir)) {
 				if (!Filesystem::isIgnoredDir($file)) {
 					if (!$this->copy($path1 . '/' . $file, $path2 . '/' . $file)) {
+						closedir($dir);
 						return false;
 					}
 				}