diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 136e1ed..840754e 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -2283,13 +2283,17 @@
 	}
 
 	coupon_code() {
-		var me = this;
-		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()
-		]);
+		if (this.frm.doc.coupon_code || this.frm._last_coupon_code) {
+			// reset pricing rules if coupon code is set or is unset
+			const _ignore_pricing_rule = this.frm.doc.ignore_pricing_rule;
+			return frappe.run_serially([
+				() => this.frm.doc.ignore_pricing_rule=1,
+				() => this.frm.trigger('ignore_pricing_rule'),
+				() => this.frm.doc.ignore_pricing_rule=_ignore_pricing_rule,
+				() => this.frm.trigger('apply_pricing_rule'),
+				() => this.frm._last_coupon_code = this.frm.doc.coupon_code
+			]);
+		}
 	}
 };