diff --git a/addons/stock/static/src/js/widgets.js b/addons/stock/static/src/js/widgets.js
index 8f5c78d94fe..18af2d8f974 100644
--- a/addons/stock/static/src/js/widgets.js
+++ b/addons/stock/static/src/js/widgets.js
@@ -484,7 +484,7 @@ function openerp_picking_widgets(instance){
                         var picking = pickings[i];
                         self.pickings_by_type[picking.picking_type_id[0]].push(picking);
                         self.pickings_by_id[picking.id] = picking;
-                        self.picking_search_string += '' + picking.id + ':' + picking.name.toUpperCase() + '\n'
+                        self.picking_search_string += '' + picking.id + ':' + (picking.name ? picking.name.toUpperCase(): '') + '\n';
                     }
 
                 });