From 4820ebd76cb504ba2b9d016161c455fd0accbeee Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Thu, 1 Dec 2016 14:08:00 -0500
Subject: [PATCH] FIX: Don't modify properties in `didInsertElement`

---
 .../javascripts/discourse/components/topic-progress.js.es6      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse/components/topic-progress.js.es6 b/app/assets/javascripts/discourse/components/topic-progress.js.es6
index 768ad10356b..85cb5209552 100644
--- a/app/assets/javascripts/discourse/components/topic-progress.js.es6
+++ b/app/assets/javascripts/discourse/components/topic-progress.js.es6
@@ -65,7 +65,7 @@ export default Ember.Component.extend({
 
     const prevEvent = this.get('prevEvent');
     if (prevEvent) {
-      this._topicScrolled(prevEvent);
+      Ember.run.scheduleOnce('afterRender', this, this._topicScrolled, prevEvent);
     } else {
       Ember.run.scheduleOnce('afterRender', this, this._updateProgressBar);
     }