diff --git a/product/ERP5/Document/BusinessPath.py b/product/ERP5/Document/BusinessPath.py
index 2d4b0c788c308d1369130a5a9a9c3e75168e9824..b801fedc1ae4f1a153aa487169c923ae54271bbb 100644
--- a/product/ERP5/Document/BusinessPath.py
+++ b/product/ERP5/Document/BusinessPath.py
@@ -78,6 +78,7 @@ class BusinessPath(Path):
                     , PropertySheet.Comment
                     , PropertySheet.Arrow
                     , PropertySheet.Chain
+                    , PropertySheet.SortIndex
                     , PropertySheet.BusinessPath
                     )
 
diff --git a/product/ERP5/Document/BusinessState.py b/product/ERP5/Document/BusinessState.py
index 03934c7137a0cefabee4d2647b4a8cec7092ac29..9fde02c7afa4ae6f91ed27025bb1ace10f0e7aa2 100644
--- a/product/ERP5/Document/BusinessState.py
+++ b/product/ERP5/Document/BusinessState.py
@@ -56,6 +56,7 @@ class BusinessState(XMLObject):
                     , PropertySheet.DublinCore
                     , PropertySheet.Folder
                     , PropertySheet.Comment
+                    , PropertySheet.SortIndex
                     )
 
   # Declarative interfaces