diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 90aa06a9034..fec803d28a9 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -3401,7 +3401,15 @@ class AccountMoveLine(models.Model):
             currency = record.company_id.currency_id
             audit_str = ''
             for tag in record.tax_tag_ids:
-                tag_amount = (tag.tax_negate and -1 or 1) * (record.move_id.is_inbound() and -1 or 1) * record.balance
+
+                # In case of cash basis entries, we need to consider the original invoice, not the current move
+                if record.move_id.tax_cash_basis_rec_id:
+                    reconciled_amls = record.move_id.tax_cash_basis_rec_id.debit_move_id + record.move_id.tax_cash_basis_rec_id.credit_move_id
+                    invoice_aml = reconciled_amls.filtered(lambda x: x.journal_id.type in ('sale', 'purchase')) # To exclude the payment
+                else:
+                    invoice_aml = record
+
+                tag_amount = (tag.tax_negate and -1 or 1) * (invoice_aml.move_id.is_inbound() and -1 or 1) * record.balance
 
                 if tag.tax_report_line_ids:
                     #Then, the tag comes from a report line, and hence has a + or - sign (also in its name)