From 6442609d5cc3d19504e119c403893b7624c0e496 Mon Sep 17 00:00:00 2001
From: Charlie Robinson <charlie.robinson@utas.utc.com>
Date: Thu, 18 Apr 2019 13:42:50 +0100
Subject: [PATCH] Check if an con is null before setting the opacity

---
 src/layer/marker/Marker.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/layer/marker/Marker.js b/src/layer/marker/Marker.js
index 630bca71a37..8d1fc79ef5d 100644
--- a/src/layer/marker/Marker.js
+++ b/src/layer/marker/Marker.js
@@ -339,7 +339,9 @@ export var Marker = Layer.extend({
 	_updateOpacity: function () {
 		var opacity = this.options.opacity;
 
-		DomUtil.setOpacity(this._icon, opacity);
+		if (this._icon) {
+			DomUtil.setOpacity(this._icon, opacity);
+		}
 
 		if (this._shadow) {
 			DomUtil.setOpacity(this._shadow, opacity);