--- a/src/pyams_content/shared/site/link.py	Wed Mar 13 08:58:43 2019 +0100
+++ b/src/pyams_content/shared/site/link.py	Mon Mar 18 11:59:39 2019 +0100
@@ -36,6 +36,7 @@
     """Site link persistent class"""
 
     navigation_title = FieldProperty(IContentLink['navigation_title'])
+    show_header = FieldProperty(IContentLink['show_header'])
     navigation_header = FieldProperty(IContentLink['navigation_header'])
     visible = FieldProperty(IContentLink['visible'])