diff --git a/frappe/public/js/frappe/views/reports/report_view.js b/frappe/public/js/frappe/views/reports/report_view.js
index 86b46d77a3..c26b63a9f6 100644
--- a/frappe/public/js/frappe/views/reports/report_view.js
+++ b/frappe/public/js/frappe/views/reports/report_view.js
@@ -106,7 +106,7 @@ frappe.views.ReportView = class ReportView extends frappe.views.ListView {
 
 	get_args() {
 		const args = super.get_args();
-		args.group_by = null;
+		delete args.group_by;
 		this.group_by_control.set_args(args);
 
 		return args;