diff --git a/addons/account_analytic_default/account_analytic_default.py b/addons/account_analytic_default/account_analytic_default.py
index c621028b2e7..2e770a70e53 100644
--- a/addons/account_analytic_default/account_analytic_default.py
+++ b/addons/account_analytic_default/account_analytic_default.py
@@ -89,7 +89,7 @@ class stock_picking(osv.osv):
     _inherit = "stock.picking"
 
     def _get_account_analytic_invoice(self, cursor, user, picking, move_line):
-        partner_id = picking.address_id and picking.address_id.partner_id or False
+        partner_id = picking.address_id and picking.address_id.id or False
         rec = self.pool.get('account.analytic.default').account_get(cursor, user, move_line.product_id.id, partner_id and partner_id.id, user, time.strftime('%Y-%m-%d'), context={})
 
         if rec: