diff --git a/greenlock-store-sequelize.js b/greenlock-store-sequelize.js
index 0e45b91..fdd59a6 100644
--- a/greenlock-store-sequelize.js
+++ b/greenlock-store-sequelize.js
@@ -22,7 +22,7 @@ module.exports.create = function (config={}) {
       sequelize = new Sequelize(config.storeDatabaseUrl,{ logging: false });
     } else {
       sequelize = new Promise(function (resolve, reject) {
-        confDir = confDir.replace(/~\//, require('os').homedir());
+        confDir = confDir.replace(/~\//, require('os').homedir() + '/');
         mkdirp(confDir, function (err) {
           if (err) { reject(err); return; }
           resolve(new Sequelize({ dialect: 'sqlite', storage: confDir + '/db.sqlite3', logging: false }));