diff --git a/addons/point_of_sale/static/src/js/models.js b/addons/point_of_sale/static/src/js/models.js
index a85090647f9..460a2d9890b 100644
--- a/addons/point_of_sale/static/src/js/models.js
+++ b/addons/point_of_sale/static/src/js/models.js
@@ -1051,7 +1051,7 @@ function openerp_pos_models(instance, module){ //module is instance.point_of_sal
         },
         addOrderline: function(line){
             if(line.order){
-                order.removeOrderline(line);
+                line.order.removeOrderline(line);
             }
             line.order = this;
             this.get('orderLines').add(line);