diff --git a/contract_show_invoice/README.rst b/contract_show_invoice/README.rst
index 7f9dc808..262321f2 100644
--- a/contract_show_invoice/README.rst
+++ b/contract_show_invoice/README.rst
@@ -20,11 +20,6 @@ For further information, please visit:
 
 * https://www.odoo.com/forum/help-1
 
-Known issues / Roadmap
-======================
-
-* Add field with the total amount invoiced to the invoices button.
-
 Bug Tracker
 ===========
 
@@ -42,6 +37,7 @@ Contributors
 * Ángel Moya <angel.moya@domatix.com>
 * Carlos Dauden <carlos.dauden@tecnativa.com>
 * Dave Burkholder <dave@thinkwelldesigns.com>
+* Alberto Martín - Guadaltech <alberto.martin@guadaltech.es>
 
 
 Maintainer
diff --git a/contract_show_invoice/models/__init__.py b/contract_show_invoice/models/__init__.py
index 78d96a03..df222af3 100644
--- a/contract_show_invoice/models/__init__.py
+++ b/contract_show_invoice/models/__init__.py
@@ -1,2 +1,3 @@
 # -*- coding: utf-8 -*-
 from . import invoice
+from . import account_analytic_account
diff --git a/contract_show_invoice/models/account_analytic_account.py b/contract_show_invoice/models/account_analytic_account.py
new file mode 100644
index 00000000..2ec2bad6
--- /dev/null
+++ b/contract_show_invoice/models/account_analytic_account.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# © 2018 Alberto Martín Cortada - Guadaltech <alberto.martin@guadaltech.es>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class AccountAnalyticAccount(models.Model):
+    _inherit = 'account.analytic.account'
+
+    @api.multi
+    def _compute_total_invoiced(self):
+        invoice_model = self.env['account.invoice']
+        for analytic in self:
+            fetch_data = invoice_model.read_group(
+                [('invoice_line_ids.account_analytic_id', '=', analytic.id)],
+                ['amount_total'], [],
+            )
+            analytic.total_invoiced = fetch_data[0]['amount_total']
+
+    total_invoiced = fields.Float(string="Total Invoiced",
+                                  compute='_compute_total_invoiced')
diff --git a/contract_show_invoice/test/test_contract_show_invoice.py b/contract_show_invoice/test/test_contract_show_invoice.py
index 86921539..d46295a5 100644
--- a/contract_show_invoice/test/test_contract_show_invoice.py
+++ b/contract_show_invoice/test/test_contract_show_invoice.py
@@ -26,3 +26,7 @@ class TestContractShowInvoice(TransactionCase):
 
     def test_contract_show_invoice(self):
         self.assertEqual(len(self.analytic_account.analytic_account_ids), 1)
+
+    def test_contract_total_invoiced(self):
+        self.assertEqual(self.invoice.amount_total,
+                         self.analytic_account.total_invoiced)
diff --git a/contract_show_invoice/views/contract_view.xml b/contract_show_invoice/views/contract_view.xml
index c20391ee..590e068e 100644
--- a/contract_show_invoice/views/contract_view.xml
+++ b/contract_show_invoice/views/contract_view.xml
@@ -32,8 +32,15 @@
         <field name="arch" type="xml">
             <xpath expr='//div[@name="button_box"]' position='inside'>
                 <button class="oe_stat_button" type="action" icon="fa-edit"
-                    name="%(contract_show_invoice.act_analytic_invoices)d"
-                    string="Invoices" help="Invoices related with this contract">
+                        name="%(contract_show_invoice.act_analytic_invoices)d"
+                        help="Invoices related with this contract">
+                    <div class="o_form_field o_stat_info">
+                        <span class="o_stat_value">
+                            <field name="total_invoiced" widget="monetary"
+                                   options="{'currency_field': 'currency_id'}"/>
+                        </span>
+                        <span class="o_stat_text">Invoiced</span>
+                    </div>
                 </button>
             </xpath>
         </field>