diff --git a/rootfs/etc/confd/templates/auth-oauth2.conf.ext.tmpl b/rootfs/etc/confd/templates/auth-oauth2.conf.ext.tmpl
index b0fef79..3885593 100644
--- a/rootfs/etc/confd/templates/auth-oauth2.conf.ext.tmpl
+++ b/rootfs/etc/confd/templates/auth-oauth2.conf.ext.tmpl
@@ -17,5 +17,5 @@ passdb {
 
 userdb {
   driver = lua
-  args = file=/etc/dovecot/oauth2-userdb-lua blocking=yes
+  args = file=/etc/dovecot/oauth2-userdb.lua blocking=yes
 }