diff --git a/l10n_it_fatturapa_out/data/invoice_it_template.xml b/l10n_it_fatturapa_out/data/invoice_it_template.xml
index 4093347d6470..436f5ce58a7e 100644
--- a/l10n_it_fatturapa_out/data/invoice_it_template.xml
+++ b/l10n_it_fatturapa_out/data/invoice_it_template.xml
@@ -1,4 +1,9 @@
 <?xml version="1.0" encoding="utf-8" ?>
+<!--
+  ~ Copyright 2022 Simone Rubino - TAKOBI
+  ~ License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+  -->
+
 <odoo>
     <data>
 <!--
@@ -119,7 +124,7 @@ e 'line' per riga di fattura (a seconda del livello in cui sono chiamati)
         </template>
 
         <template id="account_invoice_line_it_sconto_maggiorazione">
-            <t t-set="importo" t-value="get_importo(line.price_unit, line.discount)" />
+            <t t-set="importo" t-value="get_importo(line)" />
             <ScontoMaggiorazione t-if="line.discount != 0 or importo != 0">
                 <!-- [2.2.1.10] -->
                 <t t-if="importo">
diff --git a/l10n_it_fatturapa_out/readme/CONTRIBUTORS.rst b/l10n_it_fatturapa_out/readme/CONTRIBUTORS.rst
index ec40772373e2..7b2119a407b8 100644
--- a/l10n_it_fatturapa_out/readme/CONTRIBUTORS.rst
+++ b/l10n_it_fatturapa_out/readme/CONTRIBUTORS.rst
@@ -9,3 +9,6 @@
 * `Tecnativa <https://www.tecnativa.com>`_:
 
   * Víctor Martínez
+* `TAKOBI <https://takobi.online>`_:
+
+  * Simone Rubino <sir@takobi.online>
diff --git a/l10n_it_fatturapa_out/wizard/efattura.py b/l10n_it_fatturapa_out/wizard/efattura.py
index d49af3e8ada3..c642051d3986 100644
--- a/l10n_it_fatturapa_out/wizard/efattura.py
+++ b/l10n_it_fatturapa_out/wizard/efattura.py
@@ -1,5 +1,7 @@
 # Copyright 2020 Giuseppe Borruso
 # Copyright 2020 Marco Colombo
+# Copyright 2022 Simone Rubino - TAKOBI
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 import logging
 import os
 from datetime import datetime
@@ -174,12 +176,12 @@ def get_all_taxes(record):
             wiz = self.env["wizard.export.fatturapa"]
             return wiz.getAllTaxes(record)
 
-        def get_importo(price_unit, discount):
-            str_number = str(discount)
+        def get_importo(line, discount_field='discount'):
+            str_number = str(line[discount_field])
             number = str_number[::-1].find(".")
             if number <= 2:
                 return False
-            return price_unit * discount / 100
+            return line.price_unit * line.discount / 100
 
         def get_importo_totale(invoice):
             # wrapper to a method in wizard (for better overriding)