From f1ddaa20abd5f207c0755dfa405f586379c0a978 Mon Sep 17 00:00:00 2001
From: Mitchell McCaffrey <mitchemmc@gmail.com>
Date: Wed, 1 Jul 2020 08:43:34 +1000
Subject: [PATCH] Fix checkbox control / uncontrol

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

diff --git a/src/components/map/MapSettings.js b/src/components/map/MapSettings.js
index a6e199c..96d67f4 100644
--- a/src/components/map/MapSettings.js
+++ b/src/components/map/MapSettings.js
@@ -91,7 +91,7 @@ function MapSettings({
             </Box>
             <Label sx={{ width: "50%" }} ml={2}>
               <Checkbox
-                checked={map && map.showGrid}
+                checked={!mapEmpty && map.showGrid}
                 disabled={mapEmpty || map.type === "default"}
                 onChange={(e) => onSettingsChange("showGrid", e.target.checked)}
               />