diff --git a/addons/hw_proxy/controllers/main.py b/addons/hw_proxy/controllers/main.py
index 71075456744..4df01372846 100644
--- a/addons/hw_proxy/controllers/main.py
+++ b/addons/hw_proxy/controllers/main.py
@@ -14,6 +14,9 @@ _logger = logging.getLogger(__name__)
 
 class ProxyController(http.Controller):
     def __init__(self):
+        self.scale = 'closed'
+        self.scale_weight = 0.0
+        pass
 
     @http.route('/hw_proxy/test_connection', type='json', auth='admin')
     def test_connection(self):
diff --git a/addons/point_of_sale/static/src/js/devices.js b/addons/point_of_sale/static/src/js/devices.js
index abf4a1787e0..a1d8e19aacc 100644
--- a/addons/point_of_sale/static/src/js/devices.js
+++ b/addons/point_of_sale/static/src/js/devices.js
@@ -118,7 +118,7 @@ function openerp_pos_devices(instance,module){ //module is instance.point_of_sal
                 callbacks[i](params);
             }
             if(this.connected){
-                return this.connection.rpc('/pos/' + name, params || {});       
+                return this.connection.rpc('/hw_proxy/' + name, params || {});       
             }else{
                 return (new $.Deferred()).reject();
             }