diff --git a/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_toolbox/BusinessTemplate_getModifiableFieldList.xml b/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_toolbox/BusinessTemplate_getModifiableFieldList.xml
index a50a6ee0b5360168065141d1bc5ebe63db798e4c..98cd185ba714b58be8ad7bb2f760f35a15acdc60 100644
--- a/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_toolbox/BusinessTemplate_getModifiableFieldList.xml
+++ b/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_toolbox/BusinessTemplate_getModifiableFieldList.xml
@@ -76,7 +76,6 @@ field_library_id_dict = {\n
 modified_object_dict = {}\n
 \n
 def calculateFieldLibraryID(id):\n
-  # For each skin folder, there could be at most one Field Library\n
   # The field library name could be automatically calculated or hardcoded in\n
   # the script\n
   return field_library_id_dict.get(id) or \'Base_view%sFieldLibrary\' % \\\n
@@ -157,6 +156,10 @@ for skin_folder_id in skin_id_list:\n
                   ):\n
                   modified_object_dict[field_path] = (\'2_unproxify_field\',\n
                                                       template_id)\n
+                elif field.delegated_list:\n
+                  # Found some delegated list\n
+                  modified_object_dict[field_path] = (\n
+                    \'0_check_delegated_value\', template_id)\n
             else:\n
               # Do not force proxification of field library field.\n
               # The nice developper probably have a good reason not to do it.\n
diff --git a/bt5/erp5_forge/bt/revision b/bt5/erp5_forge/bt/revision
index 77555c31de9f33c3219429a31dbfaa25386cc3a3..f520b6ed4c0830e653ac02c1f8eec8c51d171997 100644
--- a/bt5/erp5_forge/bt/revision
+++ b/bt5/erp5_forge/bt/revision
@@ -1 +1 @@
-529
\ No newline at end of file
+530
\ No newline at end of file