diff --git a/erpnext/selling/doctype/sales_order/sales_order.js b/erpnext/selling/doctype/sales_order/sales_order.js
index d46c46f..79e9e17 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.js
+++ b/erpnext/selling/doctype/sales_order/sales_order.js
@@ -319,7 +319,7 @@
 						title: __('Select Items to Manufacture'),
 						fields: fields,
 						primary_action: function() {
-							var data = d.get_values();
+							var data = {items: d.fields_dict.items.grid.get_selected_children()};
 							me.frm.call({
 								method: 'make_work_orders',
 								args: {