diff --git a/contract/models/contract.py b/contract/models/contract.py
index 4987b8097..346d3785b 100644
--- a/contract/models/contract.py
+++ b/contract/models/contract.py
@@ -163,7 +163,7 @@ class ContractContract(models.Model):
                 partner_ids=[record.partner_id.id],
                 subtype_ids=[subtype_id.id]
             )
-            record.write({
+            record.with_context(skip_modification_mail=True).write({
                 'modification_ids': [
                     (0, 0, {'date': date_start, 'description': _('Contract start')})
                 ]
@@ -176,15 +176,16 @@ class ContractContract(models.Model):
                 lambda x: not x.sent
             )
             if modification_ids_not_sent:
-                record.message_post_with_template(
-                    self.env.ref(
-                        "contract.mail_template_contract_modification"
-                    ).id,
-                    notif_layout="contract.template_contract_modification",
-                    subtype_id=self.env.ref(
-                        'contract.mail_message_subtype_contract_modification'
-                    ).id
-                )
+                if not self.env.context.get('skip_modification_mail'):
+                    record.message_post_with_template(
+                        self.env.ref(
+                            "contract.mail_template_contract_modification"
+                        ).id,
+                        notif_layout="contract.template_contract_modification",
+                        subtype_id=self.env.ref(
+                            'contract.mail_message_subtype_contract_modification'
+                        ).id
+                    )
                 modification_ids_not_sent.write({'sent': True})
 
     @api.multi