diff --git a/rootfs/etc/confd/templates/10-auth.conf.tmpl b/rootfs/etc/confd/templates/10-auth.conf.tmpl
index f76f601..4d3580c 100644
--- a/rootfs/etc/confd/templates/10-auth.conf.tmpl
+++ b/rootfs/etc/confd/templates/10-auth.conf.tmpl
@@ -1,6 +1,6 @@
 auth_username_chars = {{getenv "ALLOWED_USERNAME_CHARS" "äöüabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@"}}
 auth_username_format = %n
-auth_mechanisms = {{getenv "AUTH_MECHANISMS" "plain login"}}
+auth_mechanisms = {{getenv "AUTH_MECHANISMS" "plain login oauthbearer xoauth2"}}
 !include auth-oauth2.conf.ext
 auth_verbose = yes
 auth_debug = yes