diff --git a/models/account_invoice.py b/models/account_invoice.py
index 0d45032f87bca10dfbf15a04fdd35575c2ba80c7..25c65acc0934f2e924f9e79c5546684156cc797d 100644
--- a/models/account_invoice.py
+++ b/models/account_invoice.py
@@ -51,6 +51,16 @@ class AccountInvoice(models.Model):
         readonly=True,
         store=False,
     )
+    amount_task_total = odooFields.Monetary(
+        string='Total Séances', store=True,
+        readonly=True, compute='_compute_amount_task_total')
+
+    @api.one
+    @api.depends('task_ids', 'task_ids.cout_seance')
+    def _compute_amount_task_total(self):
+        if self.type == "in_invoice":
+            self.amount_task_total = sum(
+                line.cout_seance for line in self.task_ids)
 
     @api.depends('project_id')
     def _compute_partner_id_domain(self):
diff --git a/views/account_invoice_views.xml b/views/account_invoice_views.xml
index 29d35bf75d0b17b2156d288c87b9772fce6e5c9f..0b67be9048b6b252074453762a77f3c49d16a3c2 100644
--- a/views/account_invoice_views.xml
+++ b/views/account_invoice_views.xml
@@ -66,6 +66,11 @@
                                 <field name="cout_seance" sum="Total" />
                             </tree>
                         </field>
+                        <group>
+                            <group class="oe_subtotal_footer oe_right">
+                                <field name="amount_task_total"/>
+                            </group>
+                        </group>
                     </page>
                 </xpath>
 
@@ -81,6 +86,8 @@
                 <field name="origin" position="replace"/>
                 <field name="amount_untaxed_invoice_signed" position="replace"/>
                 <field name="amount_tax_signed" position="replace"/>
+                <field name="amount_total_signed" position="replace"/>
+                <field name="residual_signed" position="replace"/>
                 <field name="date_invoice" position="after">
                     <field name="project_id"/>
                     <field name="num_dossier"/>
@@ -88,6 +95,7 @@
                 </field>
                 <field name="reference" position="replace">
                     <field name="reference" string="Numéro Facture"/>
+                    <field name="amount_task_total" string="Total" sum="Total"/>
                 </field>
             </field>
         </record>