1 files changed, 1 insertions, 1 deletions
diff --git a/Acl/Permission/MaskBuilder.php b/Acl/Permission/MaskBuilder.php
index 589adaa..7c1e503 100644
--- a/Acl/Permission/MaskBuilder.php
+++ b/Acl/Permission/MaskBuilder.php
@@ -122,7 +122,7 @@ class MaskBuilder
         $length = strlen($pattern);
         $bitmask = str_pad(decbin($this->mask), $length, '0', STR_PAD_LEFT);
 
-        for ($i = $length - 1; $i >= 0; $i--) {
+        for ($i = $length - 1; $i >= 0; --$i) {
             if ('1' === $bitmask[$i]) {
                 try {
                     $pattern[$i] = self::getCode(1 << ($length - $i - 1));