diff --git a/account_financial_report/report/abstract_report_xlsx.py b/account_financial_report/report/abstract_report_xlsx.py
index 5c8a332e..4d93de63 100644
--- a/account_financial_report/report/abstract_report_xlsx.py
+++ b/account_financial_report/report/abstract_report_xlsx.py
@@ -597,9 +597,8 @@ class AbstractReportXslx(models.AbstractModel):
                     {"bold": True, "border": True, "bg_color": "#FFFFCC"}
                 )
                 report_data["field_name"] = format_amt
-                format_amount = "#,##0." + (
-                    "0" * line_object["currency_id"].decimal_places
-                )
+                currency = self.env["res.currency"].browse(line_object["currency_id"])
+                format_amount = "#,##0." + ("0" * currency.decimal_places)
                 format_amt.set_num_format(format_amount)
         return format_amt