diff --git a/README.md b/README.md
index d17255e..385a6a3 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 This is a small `systemd` unit for automating the Certbot certificate renewal for the nginx web server.
 It runs monthly and simply executes
 
-    certbot renew --standalone --keep-until-expiring
+    certbot renew --standalone
 
 It uses the standalone authenticator, because Certbot nginx support is incomplete. This requires the
 web server to be stopped for a couple of seconds during each run (monthly, but can be overridden) and
diff --git a/certbot-nginx.service b/certbot-nginx.service
index 8fa86db..5c805e1 100644
--- a/certbot-nginx.service
+++ b/certbot-nginx.service
@@ -5,5 +5,5 @@ After=network-online.target
 [Service]
 Type=oneshot
 ExecStartPre=/bin/systemctl stop nginx
-ExecStart=/usr/bin/certbot renew --standalone --keep-until-expiring
+ExecStart=/usr/bin/certbot renew --standalone
 ExecStartPost=/bin/systemctl --no-block start nginx