diff --git a/src/vector/index.js b/src/vector/index.js
index 6fb6506d53..e4471be79e 100644
--- a/src/vector/index.js
+++ b/src/vector/index.js
@@ -253,7 +253,7 @@ async function loadApp() {
     } else if (validBrowser) {
         UpdateChecker.start();
 
-        var MatrixChat = sdk.getComponent('structures.MatrixChat');
+        const MatrixChat = sdk.getComponent('structures.MatrixChat');
         window.matrixChat = ReactDOM.render(
             <MatrixChat
                 onNewScreen={onNewScreen}