diff --git a/classes/Validate.php b/classes/Validate.php
index 2e5978c6e..9de147573 100644
--- a/classes/Validate.php
+++ b/classes/Validate.php
@@ -407,7 +407,7 @@ class ValidateCore
 	 */
 	public static function isPasswd($passwd, $size = 5)
 	{
-		return preg_match('/^[.a-zA-Z_0-9-!@#$%\^&*()]{'.(int)$size.',32}$/', $passwd);
+		return (Tools::strlen($passwd) > $size && Tools::strlen($passwd) < 255);
 	}
 
 	public static function isPasswdAdmin($passwd)