From b91f53db1044328d413f8782f0f36683c7fd116c Mon Sep 17 00:00:00 2001
From: Tony Air <tony@twma.pro>
Date: Thu, 16 Jun 2022 00:37:46 +0200
Subject: [PATCH] Update SiteConfigExtension.php

---
 src/SiteConfigExtension.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SiteConfigExtension.php b/src/SiteConfigExtension.php
index 50aaf9f..9e87e74 100644
--- a/src/SiteConfigExtension.php
+++ b/src/SiteConfigExtension.php
@@ -23,7 +23,7 @@ class SiteConfigExtension extends Extension
                 break;
             case 'google-maps':
                 $cfg = Config::inst()->get(GoogleMapField::class, 'default_options');
-                $key = $cfg['api_key'];
+                $key = isset($cfg['api_key']) ? $cfg['api_key'] : '';
                 break;
             default:
                 $key = '';