diff --git a/product/ERP5Type/Core/Folder.py b/product/ERP5Type/Core/Folder.py
index d0a0c19375e6ab603671e5f125c46ea09690f2ab..82c517fd3f99cfbfab0a21cde445914b8e95afc0 100644
--- a/product/ERP5Type/Core/Folder.py
+++ b/product/ERP5Type/Core/Folder.py
@@ -1101,7 +1101,7 @@ class Folder(CopyContainer, CMFBTreeFolder, CMFHBTreeFolder, Base, FolderMixIn,
                     expand_method_id='getIndexableChildValueList',
                     alternate_method_id='alternateReindexObject',
                     group_id=group_id,
-                    serialization_tag=self.getRootDocument(),
+                    serialization_tag=self.getRootDocumentPath(),
                     **activate_kw).recursiveImmediateReindexObject(**kw)
 
   security.declareProtected( Permissions.AccessContentsInformation,