diff --git a/oktn_custom_invoice_report/reports/account_invoice_report.xml b/oktn_custom_invoice_report/reports/account_invoice_report.xml
index e162333..51987b3 100644
--- a/oktn_custom_invoice_report/reports/account_invoice_report.xml
+++ b/oktn_custom_invoice_report/reports/account_invoice_report.xml
@@ -6,24 +6,33 @@
     priority="99"
   >
     <span t-field="line.name" position="replace">
-      <t t-if="o.move_type in ('out_invoice','out_refund')">
+      <t t-if="o.move_type in ('out_invoice', 'out_refund')">
         <t
-          t-set="product_name_es"
-          t-value="line.product_id.with_context(lang=user.lang).display_name"
+          t-set="product_name"
+          t-value="line.product_id.with_context(lang=user.lang).display_name if line.product_id else ''"
         />
+
         <t
-          t-if="line.product_id and line.product_id.no_product_description_to_sale_invoice_lines and product_name_es in line.name"
+          t-if="
+            line.product_id
+            and line.product_id.no_product_description_to_sale_invoice_lines
+            and line.name
+            and product_name
+            and product_name in line.name
+          "
         >
           <span
-            t-esc="line.name.replace(product_name_es + '\n', '', 1)"
+            t-esc="line.name.replace(product_name + '\n', '', 1)"
             style="white-space: pre-line;"
           />
         </t>
+
         <t t-else="">
           <span t-if="line.name" t-field="line.name" t-options="{'widget': 'text'}" />
         </t>
       </t>
-      <t t-if="o.move_type not in ('out_invoice','out_refund')">
+
+      <t t-if="o.move_type not in ('out_invoice', 'out_refund')">
         <span t-if="line.name" t-field="line.name" t-options="{'widget': 'text'}" />
       </t>
     </span>