diff --git a/addons/point_of_sale/controllers/main.py b/addons/point_of_sale/controllers/main.py
index 7fb417e92c2..a5c3c59ee80 100644
--- a/addons/point_of_sale/controllers/main.py
+++ b/addons/point_of_sale/controllers/main.py
@@ -36,6 +36,7 @@ class PointOfSaleController(openerpweb.Controller):
             product_id = p['id']
             url = "/web/binary/image?session_id=%s&model=product.product&field=image&id=%s" % (session_id, product_id)
             ml.append(url)
+        ml += ["NETWORK:","*"]
         m = "\n".join(ml)
         return m
 
diff --git a/addons/point_of_sale/static/src/js/pos_widgets.js b/addons/point_of_sale/static/src/js/pos_widgets.js
index 329bb05aca8..1f6b29439ab 100644
--- a/addons/point_of_sale/static/src/js/pos_widgets.js
+++ b/addons/point_of_sale/static/src/js/pos_widgets.js
@@ -242,7 +242,7 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
             this.renderElement();
         },
         get_image_url: function() {
-            return 'web/binary/image?session_id='+instance.connection.session_id+'&model=product.product&field=image&id='+this.model.get('id')+'&cache=1800';
+            return '/web/binary/image?session_id='+instance.connection.session_id+'&model=product.product&field=image&id='+this.model.get('id');
         },
         renderElement: function() {
             this._super();