diff --git a/addons/pos_restaurant/static/src/js/multiprint.js b/addons/pos_restaurant/static/src/js/multiprint.js
index 65956ffa66d..5270f103c48 100644
--- a/addons/pos_restaurant/static/src/js/multiprint.js
+++ b/addons/pos_restaurant/static/src/js/multiprint.js
@@ -29,8 +29,10 @@ var Printer = core.Class.extend(mixins.PropertiesMixin,{
                 self.connection.rpc('/hw_proxy/print_xml_receipt',{receipt: r},{timeout: 5000})
                     .then(function(){
                         send_printing_job();
-                    },function(){
+                    },function(error, event){
                         self.receipt_queue.unshift(r);
+                        console.log('There was an error while trying to print the order:');
+                        console.log(error);
                     });
             }
         }
@@ -54,7 +56,7 @@ models.load_models({
 
         for(var i = 0; i < printers.length; i++){
             if(active_printers[printers[i].id]){
-                var url = printers[i].proxy_ip;
+                var url = printers[i].proxy_ip || '';
                 if(url.indexOf('//') < 0){
                     url = 'http://'+url;
                 }