diff --git a/addons/product/product.py b/addons/product/product.py
index fa6796b3953..5c894a1fbe4 100644
--- a/addons/product/product.py
+++ b/addons/product/product.py
@@ -276,8 +276,8 @@ class product_template(osv.osv):
         'list_price': fields.float('Sale Price', digits_compute=dp.get_precision('Sale Price'), help="Base price for computing the customer price. Sometimes called the catalog price."),
         'standard_price': fields.float('Cost Price', required=True, digits_compute=dp.get_precision('Purchase Price'), help="Product's cost for accounting stock valuation. It is the base price for the supplier price."),
         'volume': fields.float('Volume', help="The volume in m3."),
-        'weight': fields.float('Gross weight', help="The gross weight in Kg."),
-        'weight_net': fields.float('Net weight', help="The net weight in Kg."),
+        'weight': fields.float('Gross weight', digits_compute=dp.get_precision('Stock Weight'), help="The gross weight in Kg."),
+        'weight_net': fields.float('Net weight', digits_compute=dp.get_precision('Stock Weight'), help="The net weight in Kg."),
         'cost_method': fields.selection([('standard','Standard Price'), ('average','Average Price')], 'Costing Method', required=True,
             help="Standard Price: the cost price is fixed and recomputed periodically (usually at the end of the year), Average Price: the cost price is recomputed at each reception of products."),
         'warranty': fields.float('Warranty (months)'),