diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 4248141a083..0f3adf01398 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -2899,12 +2899,10 @@ class stock_inventory_line(osv.osv):
                         ('product_id','=', product_id), ('owner_id', '=', partner_id), ('package_id', '=', package_id)]
             quants = quant_obj.search(cr, uid, dom, context=context)
             th_qty = sum([x.qty for x in quant_obj.browse(cr, uid, quants, context=context)])
-            qty = product.qty_available
             if product_id and uom_id and product.uom_id.id != uom_id:
                 th_qty = uom_obj._compute_qty(cr, uid, product.uom_id.id, th_qty, uom_id)
-                qty = uom_obj._compute_qty(cr, uid, product.uom_id.id, qty, uom_id)
             res['value']['theoretical_qty'] = th_qty
-            res['value']['product_qty'] = qty
+            res['value']['product_qty'] = th_qty
         return res
 
     def _resolve_inventory_line(self, cr, uid, inventory_line, context=None):