diff --git a/lib/cryptography.class.php b/lib/cryptography.class.php
index d344ebd..159b2e5 100644
--- a/lib/cryptography.class.php
+++ b/lib/cryptography.class.php
@@ -77,6 +77,9 @@ public static function hardUnlink($element) {
             foreach (glob($element.'/*') as $file) {
                 self::hardUnlink($file);
             }
+            foreach (glob($element.'/.*') as $file) {
+                self::hardUnlink($file);
+            }
             rmdir($element);
             return;
         }