put back model change check
diff --git a/web/ons-demo/js/app.js b/web/ons-demo/js/app.js
index ca8d6d3..2e9048d 100644
--- a/web/ons-demo/js/app.js
+++ b/web/ons-demo/js/app.js
@@ -430,7 +430,7 @@
 	updateModel(function (newModel) {
 		console.log('Update time: ' + (Date.now() - d)/1000 + 's');
 
-		if (true || !oldModel || JSON.stringify(oldModel) != JSON.stringify(newModel)) {
+		if (!oldModel || JSON.stringify(oldModel) != JSON.stringify(newModel)) {
 			updateControllers(newModel);
 			updateTopology(svg, newModel);
 		} else {