diff --git a/l10n_co_account_e_invoicing/models/res_company.py b/l10n_co_account_e_invoicing/models/res_company.py
index 7c55088..9207734 100644
--- a/l10n_co_account_e_invoicing/models/res_company.py
+++ b/l10n_co_account_e_invoicing/models/res_company.py
@@ -170,7 +170,7 @@ class ResCompany(models.Model):
                 date_from = dian_document.invoice_id.invoice_date
                 days = (today - date_from).days
 
-                if int(dian_document.invoice_id.send_invoice_to_dian) <= days:
+                if int(dian_document.invoice_id.send_invoice_to_dian) - 1 <= days:
                     try:
                         dian_document.action_process()
                     except: