diff --git a/r2/r2/lib/app_globals.py b/r2/r2/lib/app_globals.py
index cf96ee826..8467168ca 100644
--- a/r2/r2/lib/app_globals.py
+++ b/r2/r2/lib/app_globals.py
@@ -90,6 +90,7 @@ class Globals(object):
                   'frontpage_dart',
                   'allow_wiki_editing',
                   'disable_captcha',
+                  'disable_ads',
                   ]
 
     tuple_props = ['stalecaches',