From db69c486a0251bb6a7e1d8006988216d7ae1f4d3 Mon Sep 17 00:00:00 2001
From: Raissa North <raissa@silverstripe.com>
Date: Wed, 31 Jan 2018 17:25:32 +1300
Subject: [PATCH] FIX: Turn SilverStripe Map into an array to give an accurate
 falsey value

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

diff --git a/src/Extensions/SiteTreeSubsites.php b/src/Extensions/SiteTreeSubsites.php
index 5ac586a..d69383b 100644
--- a/src/Extensions/SiteTreeSubsites.php
+++ b/src/Extensions/SiteTreeSubsites.php
@@ -105,7 +105,7 @@ class SiteTreeSubsites extends DataExtension
         $subsitesMap = [];
         if ($subsites && $subsites->count()) {
             $subsitesToMap = $subsites->exclude('ID', $this->owner->SubsiteID);
-            $subsitesMap = $subsitesToMap->map('ID', 'Title');
+            $subsitesMap = $subsitesToMap->map('ID', 'Title')->toArray();
         }
 
         // Master page edit field (only allowed from default subsite to avoid inconsistent relationships)