diff --git a/addons/pos_loyalty/models/pos_session.py b/addons/pos_loyalty/models/pos_session.py
index f91d384012c..f8819443bcc 100644
--- a/addons/pos_loyalty/models/pos_session.py
+++ b/addons/pos_loyalty/models/pos_session.py
@@ -115,6 +115,10 @@ class PosSession(models.Model):
                     product_id_to_program_ids[product['id']].append(program['id'])
 
         loaded_data['product_id_to_program_ids'] = product_id_to_program_ids
+        product_product_fields = self.env['product.product'].fields_get(self._loader_params_product_product()['search_params']['fields'])
+        loaded_data['field_types'] = {
+            'product.product': {f:v['type'] for f, v in product_product_fields.items()}
+        }
 
     def _loader_params_product_product(self):
         params = super()._loader_params_product_product()
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 c9b25a62224..9bcadb9756d 100644
--- a/addons/pos_loyalty/static/src/overrides/models/pos_store.js
+++ b/addons/pos_loyalty/static/src/overrides/models/pos_store.js
@@ -207,6 +207,7 @@ patch(PosStore.prototype, {
             reward.all_discount_product_ids = new Set(reward.all_discount_product_ids);
         }
 
+        this.fieldTypes = loadedData['field_types'];
         await super._processData(loadedData);
         this.productId2ProgramIds = loadedData["product_id_to_program_ids"];
         this.programs = loadedData["loyalty.program"] || []; //TODO: rename to `loyaltyPrograms` etc
@@ -234,6 +235,15 @@ patch(PosStore.prototype, {
 
         try {
             products
+                .map(product => {
+                    const modifiedProduct = { ...product };
+                    Object.keys(modifiedProduct).forEach(key => {
+                        if (this.fieldTypes['product.product'][key] === 'many2one') {
+                            modifiedProduct[key] = modifiedProduct[key][1];
+                        }
+                    });
+                    return modifiedProduct;
+                })
                 .filter((product) => domain.contains(product))
                 .forEach((product) => reward.all_discount_product_ids.add(product.id));
         } catch (error) {
diff --git a/addons/pos_loyalty/static/tests/tours/PosLoyaltyRewardButtonTour.js b/addons/pos_loyalty/static/tests/tours/PosLoyaltyRewardButtonTour.js
index aea3766ea04..64587de4e7e 100644
--- a/addons/pos_loyalty/static/tests/tours/PosLoyaltyRewardButtonTour.js
+++ b/addons/pos_loyalty/static/tests/tours/PosLoyaltyRewardButtonTour.js
@@ -198,3 +198,25 @@ registry.category("web_tour.tours").add("PosLoyaltySpecificDiscountWithFreeProdu
         return getSteps();
     },
 });
+
+registry
+    .category("web_tour.tours")
+    .add("PosLoyaltySpecificDiscountWithRewardProductDomainTour", { 
+        test: true, 
+        url: "/pos/web", 
+        steps: () => {
+            startSteps();
+
+            ProductScreen.do.confirmOpeningPopup();
+            ProductScreen.do.clickHomeCategory();
+
+            ProductScreen.do.clickDisplayedProduct('Product A');
+            ProductScreen.check.selectedOrderlineHas('Product A', '1.00', '15.00');
+            PosLoyalty.check.orderTotalIs('15.00');
+
+            ProductScreen.do.clickDisplayedProduct('Product B');
+            ProductScreen.check.selectedOrderlineHas('Product B', '1.00', '50.00');
+            PosLoyalty.check.orderTotalIs('40.00');
+            return getSteps(); 
+        } 
+    });
diff --git a/addons/pos_loyalty/tests/test_frontend.py b/addons/pos_loyalty/tests/test_frontend.py
index 1e963b3ce1c..0b52d21d569 100644
--- a/addons/pos_loyalty/tests/test_frontend.py
+++ b/addons/pos_loyalty/tests/test_frontend.py
@@ -1122,3 +1122,61 @@ class TestUi(TestPointOfSaleHttpCommon):
             "PosLoyaltyTour7",
             login="pos_user",
         )
+
+    def test_discount_with_reward_product_domain(self):
+        self.env['loyalty.program'].search([]).write({'active': False})
+
+        product_category_base = self.env.ref('product.product_category_1')
+        product_category_1 = self.env['product.category'].create({
+            'name': 'Office furnitures',
+            'parent_id': product_category_base.id
+        })
+
+        self.productA = self.env['product.product'].create(
+            {
+                'name': 'Product A',
+                'type': 'product',
+                'list_price': 15,
+                'available_in_pos': True,
+                'taxes_id': False,
+                'categ_id': product_category_base.id
+            }
+        )
+
+        self.productB = self.env['product.product'].create(
+            {
+                'name': 'Product B',
+                'type': 'product',
+                'list_price': 50,
+                'available_in_pos': True,
+                'taxes_id': False,
+                'categ_id': product_category_1.id
+            }
+        )
+
+        self.env['loyalty.program'].create({
+            'name': 'Discount on Specific Products',
+            'program_type': 'promotion',
+            'trigger': 'auto',
+            'applies_on': 'current',
+            'rule_ids': [(0, 0, {
+                'reward_point_mode': 'order',
+                'minimum_qty': 1,
+            })],
+            'reward_ids': [(0, 0, {
+                'reward_type': 'discount',
+                'required_points': 1,
+                'discount': 50,
+                'discount_mode': 'percent',
+                'discount_applicability': 'specific',
+                'discount_product_domain': '[("categ_id", "ilike", "office")]',
+            })],
+            'pos_config_ids': [Command.link(self.main_pos_config.id)],
+        })
+
+        self.main_pos_config.open_ui()
+        self.start_tour(
+            "/pos/web?config_id=%d" % self.main_pos_config.id,
+            "PosLoyaltySpecificDiscountWithRewardProductDomainTour",
+            login="pos_user",
+        )