From 3962df53cd386368f14c44afe1eabbe649761787 Mon Sep 17 00:00:00 2001
From: madmatt <signups@madman.net.nz>
Date: Mon, 18 Jul 2016 17:10:11 +1200
Subject: [PATCH] Fix error when dataQuery is a null object

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

diff --git a/code/extensions/SiteTreeSubsites.php b/code/extensions/SiteTreeSubsites.php
index 1351b02..60afa20 100644
--- a/code/extensions/SiteTreeSubsites.php
+++ b/code/extensions/SiteTreeSubsites.php
@@ -33,7 +33,7 @@ class SiteTreeSubsites extends DataExtension
         if (Subsite::$disable_subsite_filter) {
             return;
         }
-        if ($dataQuery->getQueryParam('Subsite.filter') === false) {
+        if ($dataQuery && $dataQuery->getQueryParam('Subsite.filter') === false) {
             return;
         }