diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 276e24b4e2d..7fa2f4e92a2 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -1132,7 +1132,9 @@ class stock_picking(osv.osv):
         invoices_group = {}
         res = {}
         inv_type = type
-        for picking in self.browse(cr, uid, ids, context=context):
+        for picking_id in ids:
+            # The browse inside the loop is done on purpose, as a change in the pickings during the loop is possible
+            picking = self.browse(cr, uid, picking_id, context=context)
             if picking.invoice_state != '2binvoiced':
                 continue
             partner = self._get_partner_to_invoice(cr, uid, picking, context=context)