diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index d65689ede43..f3efd8a353e 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -1281,7 +1281,7 @@ class stock_picking(osv.osv):
 
                     if qty > 0:
                         new_price = currency_obj.compute(cr, uid, product_currency,
-                                move_currency_id, product_price)
+                                move_currency_id, product_price, round=False)
                         new_price = uom_obj._compute_price(cr, uid, product_uom, new_price,
                                 product.uom_id.id)
                         if product_avail[product.id] <= 0:
@@ -2717,7 +2717,7 @@ class stock_move(osv.osv):
                 qty = uom_obj._compute_qty(cr, uid, product_uom, product_qty, product.uom_id.id)
                 if qty > 0:
                     new_price = currency_obj.compute(cr, uid, product_currency,
-                            move_currency_id, product_price)
+                            move_currency_id, product_price, round=False)
                     new_price = uom_obj._compute_price(cr, uid, product_uom, new_price,
                             product.uom_id.id)
                     if product.qty_available <= 0: