diff --git a/themis/importexport/sync.py b/themis/importexport/sync.py
index 9c9feba..6cf9e25 100644
--- a/themis/importexport/sync.py
+++ b/themis/importexport/sync.py
@@ -110,6 +110,7 @@ class SyncFromThemis(UtilityView):
                 object.biography = None
             for address in ('private_address', 'work_address', 'work_address_2'):
                 if not data.get(address):
+                    setattr(object, address, None)
                     continue
                 setattr(object, address, Address.from_dict(data.get(address)))
             notify(ObjectModifiedEvent(object))