diff --git a/addons/stock_landed_costs/stock_landed_costs.py b/addons/stock_landed_costs/stock_landed_costs.py
index f0c7d5d1102..6dfb26de4b6 100644
--- a/addons/stock_landed_costs/stock_landed_costs.py
+++ b/addons/stock_landed_costs/stock_landed_costs.py
@@ -71,8 +71,8 @@ class stock_landed_cost(osv.osv):
                     continue
                 total_cost = 0.0
                 total_qty = 0.0
-                weight = move.product_id and move.product_id.weight
-                volume = move.product_id and move.product_id.volume
+                weight = move.product_id and move.product_id.weight * move.product_qty
+                volume = move.product_id and move.product_id.volume * move.product_qty
                 for quant in move.quant_ids:
                     total_cost += quant.cost
                     total_qty += quant.qty
diff --git a/addons/stock_landed_costs/stock_landed_costs_view.xml b/addons/stock_landed_costs/stock_landed_costs_view.xml
index 77cb030dd7c..ac85159d016 100644
--- a/addons/stock_landed_costs/stock_landed_costs_view.xml
+++ b/addons/stock_landed_costs/stock_landed_costs_view.xml
@@ -88,8 +88,8 @@
                                     <tree string="Valuation Adjustments" editable="bottom">
                                         <field name="cost_line_id" readonly="1"/>
                                         <field name="product_id" readonly="1"/>
-                                        <field name="weight" readonly="1"/>
-                                        <field name="volume" readonly="1"/>
+                                        <field name="weight"/>
+                                        <field name="volume"/>
                                         <field name="quantity" readonly="1"/>
                                         <field name="former_cost_per_unit" readonly="1"/>
                                         <field name="former_cost" readonly="1"/>