diff --git a/src/B8Framework/Form/Element.php b/src/B8Framework/Form/Element.php
index a4f81693..8cd6a43b 100644
--- a/src/B8Framework/Form/Element.php
+++ b/src/B8Framework/Form/Element.php
@@ -28,7 +28,7 @@ abstract class Element
 
     public function setName($name)
     {
-        $this->_name = strtolower(preg_replace('/([^a-zA-Z0-9_\-])/', '', $name));
+        $this->_name = strtolower(preg_replace('/([^a-zA-Z0-9_\-%])/', '', $name));
         return $this;
     }