diff --git a/controller.js b/controller.js
index c5d61fe..18825f6 100644
--- a/controller.js
+++ b/controller.js
@@ -1,5 +1,6 @@
 'use strict';
 const Discord = require('discord.js');
+const lib = require('@clusterio/lib');
 const {BaseControllerPlugin} = require('@clusterio/controller');
 const {InstanceActionEvent} = require('./info.js');