From 4365fa3c52d319eeeffe75b02279e7f2ab15c3e4 Mon Sep 17 00:00:00 2001
From: Toby Zerner <toby.zerner@gmail.com>
Date: Mon, 3 Dec 2018 08:50:54 +1030
Subject: [PATCH] Fix discussion list scroll position not being maintained when
 hero is not visible

---
 framework/core/js/src/forum/components/IndexPage.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/framework/core/js/src/forum/components/IndexPage.js b/framework/core/js/src/forum/components/IndexPage.js
index 014e486c1..5970394a6 100644
--- a/framework/core/js/src/forum/components/IndexPage.js
+++ b/framework/core/js/src/forum/components/IndexPage.js
@@ -102,7 +102,7 @@ export default class IndexPage extends Page {
     // previous hero. Maintain the same scroll position relative to the bottom
     // of the hero so that the sidebar doesn't jump around.
     const oldHeroHeight = app.cache.heroHeight;
-    const heroHeight = app.cache.heroHeight = this.$('.Hero').outerHeight();
+    const heroHeight = app.cache.heroHeight = this.$('.Hero').outerHeight() || 0;
     const scrollTop = app.cache.scrollTop;
 
     $('#app').css('min-height', $(window).height() + heroHeight);