--- a/src/pyams_content/component/paragraph/header.py	Tue Feb 06 11:15:55 2018 +0100
+++ b/src/pyams_content/component/paragraph/header.py	Tue Feb 06 11:16:23 2018 +0100
@@ -22,7 +22,7 @@
 from pyams_i18n.interfaces import II18n, II18nManager, INegotiator
 
 # import packages
-from pyams_content.component.paragraph import BaseParagraph, BaseParagraphContentChecker
+from pyams_content.component.paragraph import BaseParagraph, BaseParagraphContentChecker, BaseParagraphFactory
 from pyams_utils.adapter import adapter_config
 from pyams_utils.registry import utility_config, get_utility
 from pyams_utils.text import get_text_start
@@ -49,7 +49,7 @@
 
 
 @utility_config(name='Header', provides=IParagraphFactory)
-class HTMLParagraphFactory(object):
+class HTMLParagraphFactory(BaseParagraphFactory):
     """HTML paragraph factory"""
 
     name = _("Header paragraph")