diff --git a/product_special_type_sale/sale.py b/product_special_type_sale/sale.py
index 920983a2343..3b86a7c68fb 100644
--- a/product_special_type_sale/sale.py
+++ b/product_special_type_sale/sale.py
@@ -56,7 +56,7 @@ def _get_order(self, cr, uid, ids, context=None):
 
     _columns = {
         'extra_discount_amount': fields.function(_special_lines, method=True,
-                                                 digits_compute=dp.get_precision('Sale Price'),
+                                                 digits_compute=dp.get_precision('Product Price'),
                                                  string='Extra-Discount',
                                                  help="The amount of extra-discount",
                                                  multi='special_lines',
@@ -65,7 +65,7 @@ def _get_order(self, cr, uid, ids, context=None):
                 'sale.order.line': (_get_order, ['price_unit', 'tax_id', 'discount', 'product_uom_qty', 'product_id'], 10),
             }),
         'advance_amount': fields.function(_special_lines, method=True,
-                                          digits_compute=dp.get_precision('Sale Price'),
+                                          digits_compute=dp.get_precision('Product Price'),
                                           string='Advance',
                                           help="The amount of advances",
                                           multi='special_lines',
@@ -74,7 +74,7 @@ def _get_order(self, cr, uid, ids, context=None):
                 'sale.order.line': (_get_order, ['price_unit', 'tax_id', 'discount', 'product_uom_qty', 'product_id'], 10),
             }),
         'delivery_amount': fields.function(_special_lines, method=True,
-                                           digits_compute=dp.get_precision('Sale Price'),
+                                           digits_compute=dp.get_precision('Product Price'),
                                            string='Delivery Costs',
                                            help="The amount of delivery costs",
                                            multi='special_lines',
diff --git a/sale_delivery_term/sale.py b/sale_delivery_term/sale.py
index 38505a78ab2..2f37b298aae 100644
--- a/sale_delivery_term/sale.py
+++ b/sale_delivery_term/sale.py
@@ -116,7 +116,7 @@ def _get_uom_id(self, cr, uid, *args):
         'delivery_term_id': fields.many2one('sale.delivery.term', 'Delivery term', required=True),
         'name': fields.char('Description', size=256, required=True),
         'product_id': fields.many2one('product.product', 'Product', domain=[('sale_ok', '=', True)]),
-        'price_unit': fields.float('Unit Price', required=True, digits_compute= dp.get_precision('Sale Price')),
+        'price_unit': fields.float('Unit Price', required=True, digits_compute= dp.get_precision('Product Price')),
         'price_subtotal': fields.function(_amount_line, string='Subtotal',
             digits_compute= dp.get_precision('Sale Price')),
         'product_uom_qty': fields.float('Quantity (UoM)', digits_compute= dp.get_precision('Product UoS'), required=True),