diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index de71d023593..d7977652805 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -1316,7 +1316,7 @@ class procurement_order(osv.osv):
 
     def _product_virtual_get(self, cr, uid, order_point):
         procurement = order_point.procurement_id
-        if procurement and procurement.state != 'exception' and procurement.purchase_id and procurement.purchase_id.state in ('draft', 'confirmed'):
+        if procurement and procurement.state != 'exception' and procurement.purchase_line_id and procurement.purchase_line_id.order_id.state in ('draft', 'confirmed'):
             return None
         return super(procurement_order, self)._product_virtual_get(cr, uid, order_point)