diff --git a/src/react-components/ui-root.js b/src/react-components/ui-root.js
index 6e575dcfa4848241647cc6b028b2dbba58a72058..512cb62c14750d01c8cd9cbbff7c3bc2b8b9cc6d 100644
--- a/src/react-components/ui-root.js
+++ b/src/react-components/ui-root.js
@@ -103,6 +103,7 @@ class UIRoot extends Component {
 
   componentDidMount() {
     this.setupTestTone();
+    this.props.concurrentLoadDetector.addEventListener("concurrentload", this.onConcurrentLoad);
     this.micLevelMovingAverage = MovingAverage(100);
     this.props.scene.addEventListener("loaded", this.onSceneLoaded);
     this.props.scene.addEventListener("stateadded", this.onAframeStateChanged);