diff --git a/addons/snailmail_account/models/res_company.py b/addons/snailmail_account/models/res_company.py
index 1ac0da4e0fb..692fffa1228 100644
--- a/addons/snailmail_account/models/res_company.py
+++ b/addons/snailmail_account/models/res_company.py
@@ -7,4 +7,4 @@ from odoo import fields, models
 class Company(models.Model):
     _inherit = "res.company"
 
-    invoice_is_snailmail = fields.Boolean(string='Send by Letter by default', default=True)
+    invoice_is_snailmail = fields.Boolean(string='Send by Letter by default', default=False)