diff --git a/core/model/SiteTree.php b/core/model/SiteTree.php
index 8a26c42ac..7fda20437 100755
--- a/core/model/SiteTree.php
+++ b/core/model/SiteTree.php
@@ -989,8 +989,8 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 			foreach(array('Stage', 'Live') as $stage) {
 				// Start by filling the array with the pages that actually exist
 				$table = ($stage=='Stage') ? "SiteTree" : "SiteTree_$stage";
-				$result = DB::query("SELECT \"ID\",0 FROM \"$table\" 
-						WHERE \"ID\" IN (".implode(", ", $ids).")")->map();
+				$result = array_fill_keys(DB::query("SELECT \"ID\" FROM \"$table\" 
+						WHERE \"ID\" IN (".implode(", ", $ids).")")->column(), false);
 				
 				// Get the uninherited permissions
 				$uninheritedPermissions = Versioned::get_by_stage("SiteTree", $stage, "(\"CanEditType\" = 'LoggedInUsers' OR