diff --git a/addons/pos_loyalty/static/src/overrides/models/pos_store.js b/addons/pos_loyalty/static/src/overrides/models/pos_store.js
index 7202451880b..9cabd838ebe 100644
--- a/addons/pos_loyalty/static/src/overrides/models/pos_store.js
+++ b/addons/pos_loyalty/static/src/overrides/models/pos_store.js
@@ -95,7 +95,18 @@ patch(PosStore.prototype, {
                 return false;
             }
             const trimmedCode = code.trim();
-            if (trimmedCode && trimmedCode.startsWith("044")) {
+            let nomenclatureRules = this.barcodeReader.parser.nomenclature.rules;
+            if (this.barcodeReader.fallbackParser) {
+                nomenclatureRules = nomenclatureRules.concat(
+                    this.barcodeReader.fallbackParser.nomenclature.rules
+                );
+            }
+            const couponRules = nomenclatureRules.filter((rule) => rule.type === "coupon");
+            const isValidCoupon = couponRules.some((rule) => {
+                let patterns = rule.pattern.split("|");
+                return patterns.some((pattern) => trimmedCode.startsWith(pattern));
+            });
+            if (isValidCoupon) {
                 // check if the code exist in the database
                 // if so, use its balance, otherwise, use the unit price of the gift card product
                 const fetchedGiftCard = await this.orm.searchRead(
diff --git a/addons/pos_loyalty/static/tests/tours/GiftCardProgramTours.js b/addons/pos_loyalty/static/tests/tours/GiftCardProgramTours.js
index 11694dc6b4d..5919ddb8dae 100644
--- a/addons/pos_loyalty/static/tests/tours/GiftCardProgramTours.js
+++ b/addons/pos_loyalty/static/tests/tours/GiftCardProgramTours.js
@@ -48,18 +48,18 @@ registry.category("web_tour.tours").add("GiftCardProgramScanUseTour", {
             // Pay the 5$ gift card.
             ProductScreen.clickDisplayedProduct("Gift Card"),
             TextInputPopup.isShown(),
-            TextInputPopup.inputText("044123456"),
+            TextInputPopup.inputText("043123456"),
             TextInputPopup.clickConfirm(),
             PosLoyalty.orderTotalIs("5.00"),
             PosLoyalty.finalizeOrder("Cash", "5"),
             // Partially use the gift card. (4$)
             ProductScreen.addOrderline("Desk Pad", "2", "2", "4.0"),
-            PosLoyalty.enterCode("044123456"),
+            PosLoyalty.enterCode("043123456"),
             PosLoyalty.orderTotalIs("0.00"),
             PosLoyalty.finalizeOrder("Cash", "0"),
             // Use the remaining of the gift card. (5$ - 4$ = 1$)
             ProductScreen.addOrderline("Whiteboard Pen", "6", "6", "36.0"),
-            PosLoyalty.enterCode("044123456"),
+            PosLoyalty.enterCode("043123456"),
             PosLoyalty.orderTotalIs("35.00"),
             PosLoyalty.finalizeOrder("Cash", "35"),
         ].flat(),
diff --git a/addons/pos_loyalty/tests/test_frontend.py b/addons/pos_loyalty/tests/test_frontend.py
index 93d3206a2e4..de7e4f51713 100644
--- a/addons/pos_loyalty/tests/test_frontend.py
+++ b/addons/pos_loyalty/tests/test_frontend.py
@@ -543,6 +543,11 @@ class TestUi(TestPointOfSaleHttpCommon):
                 (4, self.env.ref('stock.group_stock_user').id),
             ]
         })
+        # set the nomenclature to GS1
+        barcodes_gs1_nomenclature = self.env.ref("barcodes_gs1_nomenclature.default_gs1_nomenclature")
+        self.main_pos_config.company_id.write({
+            'nomenclature_id': barcodes_gs1_nomenclature.id
+        })
 
         LoyaltyProgram = self.env['loyalty.program']
         # Deactivate all other programs to avoid interference
@@ -558,7 +563,7 @@ class TestUi(TestPointOfSaleHttpCommon):
             {"active_id": gift_card_program.id}
         ).create({"coupon_qty": 1, 'points_granted': 5}).generate_coupons()
         # Change the code of the gift card.
-        gift_card_program.coupon_ids.code = '044123456'
+        gift_card_program.coupon_ids.code = '043123456'
         # Run the tour. It will pay the gift card and use it.
         self.start_tour(
             "/pos/web?config_id=%d" % self.main_pos_config.id,