diff --git a/src/upgrades/1.4.6/delete_sessions.js b/src/upgrades/1.4.6/delete_sessions.js
index 571d4e125c..29d11db48a 100644
--- a/src/upgrades/1.4.6/delete_sessions.js
+++ b/src/upgrades/1.4.6/delete_sessions.js
@@ -1,21 +1,22 @@
 'use strict';
 
-var db = require('../../database');
 var async = require('async');
 
+var db = require('../../database');
+var batch = require('../../batch');
+
 module.exports = {
 	name: 'Delete accidentally long-lived sessions',
 	timestamp: Date.UTC(2017, 3, 16),
 	method: function (callback) {
-		var configJSON = require.main.require('./config.json');
+		var configJSON = require('../../../config.json');
 		var isRedisSessionStore = configJSON.hasOwnProperty('redis');
 		var progress = this.progress;
 
 		async.waterfall([
 			function (next) {
 				if (isRedisSessionStore) {
-					var rdb = require.main.require('./src/database/redis');
-					var batch = require.main.require('./src/batch');
+					var rdb = require('../../database/redis');
 					var client = rdb.connect();
 					async.waterfall([
 						function (next) {