diff --git a/ContentType/Form.php b/ContentType/Form.php
index 14224c6..cfa12d9 100644
--- a/ContentType/Form.php
+++ b/ContentType/Form.php
@@ -27,7 +27,7 @@ class Content_AbstractContentType {}
 /**
  * Content plugin class for displaying forms
  */
-class Form extends Content_AbstractContentType
+class Form extends \Content_AbstractContentType
 {
     protected $form;