diff --git a/vitrage_dashboard/dashboard/static/dashboard/project/components/sunburst/sunburst.directive.js b/vitrage_dashboard/dashboard/static/dashboard/project/components/sunburst/sunburst.directive.js
index b48a651..af3e368 100644
--- a/vitrage_dashboard/dashboard/static/dashboard/project/components/sunburst/sunburst.directive.js
+++ b/vitrage_dashboard/dashboard/static/dashboard/project/components/sunburst/sunburst.directive.js
@@ -217,7 +217,7 @@ function hzSunburst() {
       var name = d.name,
       dots = '...';
 
-      if (name.length > 4) {
+      if (name && name.length > 4) {
         name = d.name.substring(0, 4) + dots;
       }
       return name;