From 34cb1a409ef169167536bef199a2a95d2642ab19 Mon Sep 17 00:00:00 2001
From: Matthew Petroff <matthew@mpetroff.net>
Date: Mon, 31 Dec 2018 14:41:05 -0500
Subject: [PATCH] Another check to make sure hot spot div exists before
 deleting it (#702).

---
 src/js/pannellum.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/pannellum.js b/src/js/pannellum.js
index fb5bebb..4df169b 100644
--- a/src/js/pannellum.js
+++ b/src/js/pannellum.js
@@ -1785,7 +1785,7 @@ function destroyHotSpots() {
         for (var i = 0; i < hs.length; i++) {
             var current = hs[i].div;
             if (current) {
-                while(current.parentNode != renderContainer) {
+                while (current.parentNode && current.parentNode != renderContainer) {
                     current = current.parentNode;
                 }
                 renderContainer.removeChild(current);