diff --git a/archivebox/config.py b/archivebox/config.py
index 6175a165..4d1bffe9 100644
--- a/archivebox/config.py
+++ b/archivebox/config.py
@@ -123,7 +123,9 @@ CONFIG_SCHEMA: Dict[str, ConfigDefaultDict] = {
                                                                 '--write-annotations',
                                                                 '--write-thumbnail',
                                                                 '--no-call-home',
+                                                                '--write-sub',
                                                                 '--all-subs',
+                                                                '--write-auto-sub',
                                                                 '--yes-playlist',
                                                                 '--continue',
                                                                 '--ignore-errors',