diff --git a/addons/point_of_sale/static/src/js/screens.js b/addons/point_of_sale/static/src/js/screens.js
index 86104607f93..59d4f63d4cc 100644
--- a/addons/point_of_sale/static/src/js/screens.js
+++ b/addons/point_of_sale/static/src/js/screens.js
@@ -662,7 +662,7 @@ function openerp_pos_screens(instance, module){ //module is instance.point_of_sa
                 var partner    = partners[i];
                 var clientline = this.partner_cache.get_node(partner.id);
                 if(!clientline){
-                    var clientline_html = QWeb.render('ClientLine',{partner:partners[i]});
+                    var clientline_html = QWeb.render('ClientLine',{widget: this, partner:partners[i]});
                     var clientline = document.createElement('tbody');
                     clientline.innerHTML = clientline_html;
                     clientline = clientline.childNodes[1];
diff --git a/addons/point_of_sale/static/src/js/widget_base.js b/addons/point_of_sale/static/src/js/widget_base.js
index 648ab725f9e..fc56311b828 100644
--- a/addons/point_of_sale/static/src/js/widget_base.js
+++ b/addons/point_of_sale/static/src/js/widget_base.js
@@ -46,6 +46,10 @@ function openerp_pos_basewidget(instance, module){ //module is instance.point_of
         hide: function(){
             this.$el.addClass('oe_hidden');
         },
+        format_pr: function(value,precision){
+            var decimals = precision > 0 ? Math.max(0,Math.ceil(Math.log(1.0/precision) / Math.log(10))) : 0;
+            return value.toFixed(decimals);
+        },
     });
 
 }