diff --git a/src/sunstone/public/app/utils/dialogs/clusters.js b/src/sunstone/public/app/utils/dialogs/clusters.js
index 51f495e235..097084c5d0 100644
--- a/src/sunstone/public/app/utils/dialogs/clusters.js
+++ b/src/sunstone/public/app/utils/dialogs/clusters.js
@@ -152,9 +152,9 @@ define(function(require) {
 
     } else {
       clusters = this.element.TEMPLATE.CLUSTERS;
-      clusters = clusters.split(",");
 
       if (clusters !== undefined ) {
+        clusters = clusters.split(",");
         if ($.isArray(clusters)) {
           this.originalClusterIds = clusters;
         } else {