diff --git a/src/HTMLBuilder/HTMLBuilder.php b/src/HTMLBuilder/HTMLBuilder.php
index 240238a31..15eb14b50 100644
--- a/src/HTMLBuilder/HTMLBuilder.php
+++ b/src/HTMLBuilder/HTMLBuilder.php
@@ -104,7 +104,7 @@ class HTMLBuilder
 
             // Ricorsione
             if ($depth < self::$max_recursion) {
-                $result = self::replace($result, $depth++);
+                $result = self::replace($result, $depth + 1);
             }
 
             $html = str_replace($value, !empty($result) ? $result : $value, $html);
@@ -119,7 +119,7 @@ class HTMLBuilder
 
             // Ricorsione
             if ($depth < self::$max_recursion) {
-                $result = self::replace($result, $depth++);
+                $result = self::replace($result, $depth + 1);
             }
 
             $html = str_replace($value, !empty($result) ? $result : $value, $html);