diff --git a/models/acc_contract.py b/models/acc_contract.py
index d5a710103a607f4e5c4551eb0408e68340cfb69d..14e97ff7ba7f7f1a8c8ff3cfda52252f9869f581 100644
--- a/models/acc_contract.py
+++ b/models/acc_contract.py
@@ -55,12 +55,12 @@ class AccContract(models.Model):
             template = self.env.ref(
                 'acc_operation.email_template_document',
                 raise_if_not_found=False)
-            template.with_context().send_mail(doc.seller_id.id)
+            template.with_context().send_mail(doc.seller_id.id, force_send=True)
         if doc.buyer_id:
             template = self.env.ref(
                 'acc_operation.email_template_document',
                 raise_if_not_found=False)
-            template.with_context().send_mail(doc.buyer_id.id)
+            template.with_context().send_mail(doc.buyer_id.id, force_send=True)
         return doc
     # ------------------------------------------------------
     # Actions