diff --git a/frappe/public/js/frappe/views/reports/query_report.js b/frappe/public/js/frappe/views/reports/query_report.js
index 196cf0ea48..3c69509ce8 100644
--- a/frappe/public/js/frappe/views/reports/query_report.js
+++ b/frappe/public/js/frappe/views/reports/query_report.js
@@ -444,7 +444,7 @@ frappe.views.QueryReport = Class.extend({
 		try {
 			var parent_name = item[me.parent_field];
 			while (parent_name) {
-				if (me.item_by_name[parent_name]._collapsed) {
+				if (!me.item_by_name[parent_name] || me.item_by_name[parent_name]._collapsed) {
 					return false;
 				}
 				parent_name = me.item_by_name[parent_name][me.parent_field];