diff --git a/addons/point_of_sale/point_of_sale.py b/addons/point_of_sale/point_of_sale.py
index 25a62395be8..cc51b8823ea 100644
--- a/addons/point_of_sale/point_of_sale.py
+++ b/addons/point_of_sale/point_of_sale.py
@@ -1169,6 +1169,9 @@ class pos_order(osv.osv):
             # Create an move for each order line
 
             cur = order.pricelist_id.currency_id
+            round_per_line = True
+            if order.company_id.tax_calculation_rounding_method == 'round_globally':
+                round_per_line = False
             for line in order.lines:
                 tax_amount = 0
                 taxes = []
@@ -1178,14 +1181,14 @@ class pos_order(osv.osv):
                 computed_taxes = account_tax_obj.compute_all(cr, uid, taxes, line.price_unit * (100.0-line.discount) / 100.0, line.qty)['taxes']
 
                 for tax in computed_taxes:
-                    tax_amount += cur_obj.round(cr, uid, cur, tax['amount'])
+                    tax_amount += cur_obj.round(cr, uid, cur, tax['amount']) if round_per_line else tax['amount']
                     if tax_amount < 0:
                         group_key = (tax['ref_tax_code_id'], tax['base_code_id'], tax['account_collected_id'], tax['id'])
                     else:
                         group_key = (tax['tax_code_id'], tax['base_code_id'], tax['account_collected_id'], tax['id'])
 
                     group_tax.setdefault(group_key, 0)
-                    group_tax[group_key] += cur_obj.round(cr, uid, cur, tax['amount'])
+                    group_tax[group_key] += cur_obj.round(cr, uid, cur, tax['amount']) if round_per_line else tax['amount']
 
                 amount = line.price_subtotal