diff --git a/src/vector/index.js b/src/vector/index.js
index 14bda5b5..32a88f36 100644
--- a/src/vector/index.js
+++ b/src/vector/index.js
@@ -34,6 +34,7 @@ if (process.env.NODE_ENV !== 'production') {
     global.Perf = require('react-addons-perf');
 }
 
+import './modernizr';
 import ReactDOM from 'react-dom';
 import sdk from 'matrix-react-sdk';
 import PlatformPeg from 'matrix-react-sdk/lib/PlatformPeg';