diff --git a/app/lib/index.jsx b/app/lib/index.jsx
index 6ab6183..1348b09 100644
--- a/app/lib/index.jsx
+++ b/app/lib/index.jsx
@@ -32,7 +32,7 @@ function run()
 	const peerName = randomString({ length: 8 }).toLowerCase();
 	const urlParser = new UrlParse(window.location.href, true);
 	let roomId = (urlParser.pathname).substr(1)
-		? (urlParser.pathname).substr(1) : urlParser.query.roomId;
+		? (urlParser.pathname).substr(1).toLowerCase() : urlParser.query.roomId.toLowerCase();
 	const produce = urlParser.query.produce !== 'false';
 	let displayName = urlParser.query.displayName;
 	const isSipEndpoint = urlParser.query.sipEndpoint === 'true';