diff --git a/defaults/main.yml b/defaults/main.yml
index dc1034e..cf12a24 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -6,6 +6,7 @@ certbot_auto_renew_hour: "3"
 certbot_auto_renew_minute: "30"
 certbot_auto_renew_options: "--quiet"
 
+certbot_expand: false
 certbot_testmode: false
 certbot_hsts: false