diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 6776d53364a..d82688d22f2 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -1233,8 +1233,8 @@ class sale_order_line(osv.osv):
 
         if not uom2:
             uom2 = product_obj.uom_id
-        comapre_qty = float_compare(product_obj.virtual_available * uom2.factor,qty * product_obj.uom_id.factor, precision_rounding=product_obj.uom_id.rounding)
-        if (product_obj.type=='product') and int(comapre_qty) == -1 \
+        compare_qty = float_compare(product_obj.virtual_available * uom2.factor,qty * product_obj.uom_id.factor, precision_rounding=product_obj.uom_id.rounding)
+        if (product_obj.type=='product') and int(compare_qty) == -1 \
           and (product_obj.procure_method=='make_to_stock'):
             warn_msg = _('You plan to sell %.2f %s but you only have %.2f %s available !\nThe real stock is %.2f %s. (without reservations)') % \
                     (qty, uom2 and uom2.name or product_obj.uom_id.name,