diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index 9098e169f7d..028544a33be 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -204,7 +204,7 @@ class PosOrder(models.Model):
         invoice_lines = []
         for line in self.lines:
             invoice_lines.append((0, None, self._prepare_invoice_line(line)))
-            if line.order_id.pricelist_id.discount_policy == 'without_discount' and line.price_unit != line.product_id.lst_price:
+            if line.order_id.pricelist_id.discount_policy == 'without_discount' and float_compare(line.price_unit, line.product_id.lst_price, precision_rounding=self.currency_id.rounding):
                 invoice_lines.append((0, None, {
                     'name': _('Price discount from %s -> %s',
                               float_repr(line.product_id.lst_price, self.currency_id.decimal_places),