From 04323e1e7c13ff7c22e7d582e9b26ab85c43fc41 Mon Sep 17 00:00:00 2001
From: olaf-cloudgenix <olaf@cloudgenix.com>
Date: Wed, 13 Nov 2019 10:21:52 -0800
Subject: [PATCH] Guard against this._controlContainer being undefined (#1310)

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

diff --git a/src/map.js b/src/map.js
index edaf91219..8509280c6 100644
--- a/src/map.js
+++ b/src/map.js
@@ -154,7 +154,7 @@ var LMap = L.Map.extend({
     },
 
     _updateMapFeedbackLink: function() {
-        if (!this._controlContainer.getElementsByClassName) return;
+        if (!this._controlContainer || !this._controlContainer.getElementsByClassName) return;
         var link = this._controlContainer.getElementsByClassName('mapbox-improve-map');
         if (link.length && this._loaded) {
             var center = this.getCenter().wrap();