diff --git a/docker/rootfs/etc/letsencrypt.ini b/docker/rootfs/etc/letsencrypt.ini
index 3565d6e..25c375e 100644
--- a/docker/rootfs/etc/letsencrypt.ini
+++ b/docker/rootfs/etc/letsencrypt.ini
@@ -1,4 +1,3 @@
 text = True
 non-interactive = True
-authenticator = webroot
 webroot-path = /data/letsencrypt-acme-challenge