diff --git a/addons/point_of_sale/static/src/js/models.js b/addons/point_of_sale/static/src/js/models.js
index 36d2bee0d15..f647a679571 100644
--- a/addons/point_of_sale/static/src/js/models.js
+++ b/addons/point_of_sale/static/src/js/models.js
@@ -151,6 +151,7 @@ function openerp_pos_models(instance, module){ //module is instance.point_of_sal
             model:  'product.uom',
             fields: [],
             domain: null,
+            context: function(self){ return { active_test: false }; },
             loaded: function(self,units){
                 self.units = units;
                 var units_by_id = {};