diff --git a/js/app/ui/system_graph.js b/js/app/ui/system_graph.js
index 1a845c4e..134c266b 100644
--- a/js/app/ui/system_graph.js
+++ b/js/app/ui/system_graph.js
@@ -150,7 +150,7 @@ define([
                 dataType: 'json'
             }).done(function(systemGraphsData){
 
-                if(systemGraphsData.length > 0){
+                if( !$.isEmptyObject(systemGraphsData) ){
                     // create new (hidden) module container
                     var moduleElement = $('<div>', {
                         class: [config.moduleClass, config.systemGraphModuleClass].join(' '),