diff --git a/product/ERP5/Document/WebSite.py b/product/ERP5/Document/WebSite.py
index 28a94d02606ed98ddc6f43c09423d319a1e96868..37a4f23faa138511471d38a8f8003bca760cb4c9 100644
--- a/product/ERP5/Document/WebSite.py
+++ b/product/ERP5/Document/WebSite.py
@@ -121,6 +121,7 @@ class WebSite(WebSection):
                       , PropertySheet.CategoryCore
                       , PropertySheet.DublinCore
                       , PropertySheet.WebSite
+                      , PropertySheet.Predicate
                       )
 
     web_section_key = WEBSITE_KEY
@@ -157,4 +158,4 @@ class WebSite(WebSection):
         all documents in each of them to build a reverse
         mapping of getPermanentURL
       """
-      pass
\ No newline at end of file
+      pass