diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 76de31770a5..e742ae9a890 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -2265,20 +2265,12 @@ erpnext.TransactionController = erpnext.taxes_and_totals.extend({
 
 	coupon_code: function() {
 		var me = this;
-		if (this.frm.doc.coupon_code) {
-			frappe.run_serially([
-				() => this.frm.doc.ignore_pricing_rule=1,
-				() => me.ignore_pricing_rule(),
-				() => this.frm.doc.ignore_pricing_rule=0,
-				() => me.apply_pricing_rule(),
-				() => this.frm.save()
-			]);
-		} else {
-			frappe.run_serially([
-				() => this.frm.doc.ignore_pricing_rule=1,
-				() => me.ignore_pricing_rule()
-			]);
-		}
+		frappe.run_serially([
+			() => this.frm.doc.ignore_pricing_rule=1,
+			() => me.ignore_pricing_rule(),
+			() => this.frm.doc.ignore_pricing_rule=0,
+			() => me.apply_pricing_rule()
+		]);
 	}
 });
 
diff --git a/erpnext/selling/page/point_of_sale/pos_payment.js b/erpnext/selling/page/point_of_sale/pos_payment.js
index b9b65591dc7..9650bc88a42 100644
--- a/erpnext/selling/page/point_of_sale/pos_payment.js
+++ b/erpnext/selling/page/point_of_sale/pos_payment.js
@@ -169,6 +169,29 @@ erpnext.PointOfSale.Payment = class {
       }
     });
 
+		frappe.ui.form.on('POS Invoice', 'coupon_code', (frm) => {
+			if (!frm.doc.ignore_pricing_rule) {
+				if (frm.doc.coupon_code) {
+					frappe.run_serially([
+						() => frm.doc.ignore_pricing_rule=1,
+						() => frm.trigger('ignore_pricing_rule'),
+						() => frm.doc.ignore_pricing_rule=0,
+						() => frm.trigger('apply_pricing_rule'),
+						() => frm.save(),
+						() => this.update_totals_section(frm.doc)
+					]);
+				} else {
+					frappe.run_serially([
+						() => frm.doc.ignore_pricing_rule=1,
+						() => frm.trigger('ignore_pricing_rule'),
+						() => frm.doc.ignore_pricing_rule=0,
+						() => frm.save(),
+						() => this.update_totals_section(frm.doc)
+					]);
+				}
+			}
+		});
+
 		this.setup_listener_for_payments();
 
 		this.$payment_modes.on('click', '.shortcut', function() {