diff --git a/vispa/extensions/ldap_export/__init__.py b/vispa/extensions/ldap_export/__init__.py
index 9ed1452bb0969ffb98dc82143b494a482a938e38..4c92bbda29e55db47e0451d31a6be06f9702216d 100644
--- a/vispa/extensions/ldap_export/__init__.py
+++ b/vispa/extensions/ldap_export/__init__.py
@@ -85,8 +85,8 @@ class LDAPExport(object):
             for group in groups:
                 try:
                     self.group_add(unicode(group.name), group.id + self.gid_offset)
-                    for member in group.users:
-                        self.group_add_member(unicode(group.name), unicode(member.name))
+                    for assoc in group.get_users():
+                        self.group_add_member(unicode(group.name), unicode(assoc.user.name))
                 except:
                     logger.exception("sync_all_groups")
         except: