diff --git a/distil/erp/drivers/odoo.py b/distil/erp/drivers/odoo.py
index baf52e0..4f5521b 100644
--- a/distil/erp/drivers/odoo.py
+++ b/distil/erp/drivers/odoo.py
@@ -33,8 +33,10 @@ COMPUTE_CATEGORY = "Compute"
 NETWORK_CATEGORY = "Network"
 BLOCKSTORAGE_CATEGORY = "Block Storage"
 OBJECTSTORAGE_CATEGORY = "Object Storage"
+DISCOUNTS_CATEGORY = "Discounts"
 PRODUCT_CATEGORY = [COMPUTE_CATEGORY, NETWORK_CATEGORY,
-                    BLOCKSTORAGE_CATEGORY, OBJECTSTORAGE_CATEGORY]
+                    BLOCKSTORAGE_CATEGORY, OBJECTSTORAGE_CATEGORY,
+                    DISCOUNTS_CATEGORY]
 
 
 class OdooDriver(driver.BaseDriver):
@@ -117,6 +119,15 @@ class OdooDriver(driver.BaseDriver):
                 prices[actual_region] = collections.defaultdict(list)
 
                 for product in products:
+                    category = product['categ_id'][1].split('/')[-1].strip()
+                    # NOTE(flwang): Always add the discount product into the
+                    # mapping so that we can use it for /invoices API. But
+                    # those product won't be returned as a part of the
+                    # /products API.
+                    self.product_category_mapping[product['id']] = category
+                    if category == DISCOUNTS_CATEGORY:
+                        continue
+
                     if region.upper() not in product['name_template']:
                         continue
 
@@ -124,10 +135,6 @@ class OdooDriver(driver.BaseDriver):
                     if 'pre-prod' in name:
                         continue
 
-                    category = product['categ_id'][1].split('/')[-1].strip()
-
-                    self.product_category_mapping[product['id']] = category
-
                     rate = round(product['lst_price'],
                                  constants.RATE_DIGITS)
                     # NOTE(flwang): default_code is Internal Reference on