diff --git a/themis/importexport/sync.py b/themis/importexport/sync.py
index b5d1a3c..2216582 100644
--- a/themis/importexport/sync.py
+++ b/themis/importexport/sync.py
@@ -325,10 +325,10 @@ class SyncFromThemis(UtilityView):
                                 'questionactualiteD', 'QuestionoraleD',
                                 'interpellationD'):
                 if hasattr(self.questions_folder, new_id):
-                    self.questions_folder.manage_delObject(new_id)
+                    self.questions_folder.manage_delObjects([new_id])
             else:
                 if hasattr(self.documents_folder, new_id):
-                    self.documents_folder.manage_delObject(new_id)
+                    self.documents_folder.manage_delObjects([new_id])
 
             if count % 100 == 0:
                 transaction.commit()