diff --git a/addons/account/wizard/account_invoice_send.py b/addons/account/wizard/account_invoice_send.py
index 23aa2e97ec2..ba5da81b889 100644
--- a/addons/account/wizard/account_invoice_send.py
+++ b/addons/account/wizard/account_invoice_send.py
@@ -49,6 +49,8 @@ class AccountInvoiceSend(models.TransientModel):
     def _send_email(self):
         if self.is_email:
             self.composer_id.send_mail()
+            if self.env.context.get('mark_invoice_as_sent'):
+                self.mapped('invoice_ids').write({'sent': True})
 
     @api.multi
     def _print_document(self):