diff --git a/code/model/SiteTree.php b/code/model/SiteTree.php
index c61194c4..02c4f0c2 100644
--- a/code/model/SiteTree.php
+++ b/code/model/SiteTree.php
@@ -1562,7 +1562,7 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 		parent::onBeforeDelete();
 		
 		// If deleting this page, delete all its children.
-		if(SiteTree::config()->enforce_strict_hierarchy && $children = $this->Children()) {
+		if(SiteTree::config()->enforce_strict_hierarchy && $children = $this->AllChildren()) {
 			foreach($children as $child) {
 				$child->delete();
 			}
diff --git a/tests/model/SiteTreeTest.yml b/tests/model/SiteTreeTest.yml
index 2f0cf282..e032d3ec 100644
--- a/tests/model/SiteTreeTest.yml
+++ b/tests/model/SiteTreeTest.yml
@@ -56,6 +56,7 @@ Page:
     Title: Staff
     URLSegment: my-staff
     Parent: =>Page.about
+    ShowInMenus: 0
   products:
     Title: Products
     CanEditType: OnlyTheseUsers