diff --git a/product/ERP5/mixin/virtual_folder.py b/product/ERP5/mixin/virtual_folder.py
index c173f0ba0d0412ba119470b36fa817b893f00506..a2ec9b0b4bd6cef0cb782125017de8d894fbe73b 100644
--- a/product/ERP5/mixin/virtual_folder.py
+++ b/product/ERP5/mixin/virtual_folder.py
@@ -85,7 +85,7 @@ class VirtualFolderMixin:
       return self.getPortalObject().unrestrictedTraverse(document_url)
 
     try:
-      return Folder._getOb(self, id, **kw)
+      return Folder._getOb(self, id, default=default, **kw)
     except KeyError:
       if default is _marker:
         raise