diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.js b/erpnext/manufacturing/doctype/production_plan/production_plan.js
index 7b4b7c3..db0f2c5 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.js
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.js
@@ -434,6 +434,25 @@
 	}
 });
 
+frappe.ui.form.on("Production Plan Sales Order", {
+	sales_order(frm, cdt, cdn) {
+		const { sales_order } = locals[cdt][cdn];
+		if (!sales_order) {
+			return;
+		}
+		frappe.call({
+			method: "erpnext.manufacturing.doctype.production_plan.production_plan.get_so_details",
+			args: { sales_order },
+			callback(r) {
+				const {transaction_date, customer, grand_total} = r.message;
+				frappe.model.set_value(cdt, cdn, 'sales_order_date', transaction_date);
+				frappe.model.set_value(cdt, cdn, 'customer', customer);
+				frappe.model.set_value(cdt, cdn, 'grand_total', grand_total);
+			}
+		});
+	}
+});
+
 cur_frm.fields_dict['sales_orders'].grid.get_field("sales_order").get_query = function() {
 	return{
 		filters: [
diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.py b/erpnext/manufacturing/doctype/production_plan/production_plan.py
index 91e5748..73db290 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.py
@@ -800,6 +800,12 @@
 		group by item_code, warehouse
 	""".format(conditions=conditions), { "item_code": row['item_code'] }, as_dict=1)
 
+@frappe.whitelist()
+def get_so_details(sales_order):
+	return frappe.db.get_value("Sales Order", sales_order,
+		['transaction_date', 'customer', 'grand_total'], as_dict=1
+	)
+
 def get_warehouse_list(warehouses):
 	warehouse_list = []