diff --git a/base_global_discount/__manifest__.py b/base_global_discount/__manifest__.py
index 25971d33..61c66429 100644
--- a/base_global_discount/__manifest__.py
+++ b/base_global_discount/__manifest__.py
@@ -1,5 +1,6 @@
 # Copyright 2019 Tecnativa S.L. - David Vidal
 # Copyright 2020 Xtendoo - Manuel Calero
+# Copyright 2022 Simone Rubino - TAKOBI
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 {
     'name': 'Base Global Discount',
diff --git a/base_global_discount/models/global_discount.py b/base_global_discount/models/global_discount.py
index 10f5b294..4e32917c 100644
--- a/base_global_discount/models/global_discount.py
+++ b/base_global_discount/models/global_discount.py
@@ -1,4 +1,5 @@
 # Copyright 2019 Tecnativa - David Vidal
+# Copyright 2022 Simone Rubino - TAKOBI
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 from odoo import fields, models
 from odoo.addons import decimal_precision as dp
@@ -21,6 +22,16 @@ class GlobalDiscount(models.Model):
         required=True,
         default=0.0,
     )
+    discount_base = fields.Selection(
+        selection=[
+            ('subtotal', 'Subtotal'),
+            ('total', 'Total'),
+        ],
+        default='subtotal',
+        required='True',
+        string='Discount Base',
+        help='Amount that will be discounted.',
+    )
     discount_scope = fields.Selection(
         selection=[
             ('sale', 'Sales'),
diff --git a/base_global_discount/readme/CONTRIBUTORS.rst b/base_global_discount/readme/CONTRIBUTORS.rst
index 7b1dda35..03793ba3 100644
--- a/base_global_discount/readme/CONTRIBUTORS.rst
+++ b/base_global_discount/readme/CONTRIBUTORS.rst
@@ -4,3 +4,6 @@
   * David Vidal
   * Carlos Dauden
   * Rafael Blasco
+* `TAKOBI <https://takobi.online>`_:
+
+  * Simone Rubino <sir@takobi.online>
diff --git a/base_global_discount/views/global_discount_views.xml b/base_global_discount/views/global_discount_views.xml
index 4a293a51..8f04aa9b 100644
--- a/base_global_discount/views/global_discount_views.xml
+++ b/base_global_discount/views/global_discount_views.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2019 Tecnativa - David Vidal
+     Copyright 2022 Simone Rubino - TAKOBI
      License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
 
@@ -10,6 +11,7 @@
                 <field name="sequence" widget="handle"/>
                 <field name="name"/>
                 <field name="discount"/>
+                <field name="discount_base"/>
                 <field name="discount_scope"/>
                 <field name="company_id"/>
             </tree>
@@ -25,6 +27,7 @@
                         <field name="name"/>
                         <field name="sequence"/>
                         <field name="discount"/>
+                        <field name="discount_base"/>
                         <field name="discount_scope"/>
                         <field name="company_id"/>
                     </group>