diff --git a/src/authentic2_auth_fc/backends.py b/src/authentic2_auth_fc/backends.py
index 24bb63cec..72685a8be 100644
--- a/src/authentic2_auth_fc/backends.py
+++ b/src/authentic2_auth_fc/backends.py
@@ -85,6 +85,7 @@ class FcBackend(ModelBackend):
                 user.last_name = user_info['family_name']
                 updated.append('family name: "%s"' % user_info['family_name'])
             if updated:
+                user.save()
                 logger.debug('updated (%s)', ' - '.join(updated))
             utils.apply_user_info_mappings(user, user_info)
             return user