diff --git a/index.js b/index.js
index 94f08ea..56d0e12 100644
--- a/index.js
+++ b/index.js
@@ -7,7 +7,7 @@ const path = require('path');
 
 const app = express();
 
-const address = process.env.PORT || "localhost";
+const address = process.env.ADDRESS || "localhost";
 const port = process.env.PORT || 3000;
 const dataDirectory = process.env.DIRECTORY || __dirname;