diff --git a/server/config.js b/server/config.js
index 2b0474c..ebaeeca 100644
--- a/server/config.js
+++ b/server/config.js
@@ -13,7 +13,7 @@ const os = require('os');
 module.exports =
 {
 	// Listening hostname (just for `gulp live` task).
-	domain : process.env.DOMAIN || 'localhost',
+	domain : process.env.DOMAIN || '0.0.0.0',
 	// Signaling settings (protoo WebSocket server and HTTP API server).
 	https  :
 	{