diff --git a/plugins/SitesManager/angularjs/sites-manager/api-helper.service.js b/plugins/SitesManager/angularjs/sites-manager/api-helper.service.js
index <HASH>..<HASH> 100644
--- a/plugins/SitesManager/angularjs/sites-manager/api-helper.service.js
+++ b/plugins/SitesManager/angularjs/sites-manager/api-helper.service.js
@@ -43,7 +43,7 @@
 
         function commaDelimitedFieldToArray (value) {
 
-            if(value === undefined || value === null || value === '')
+            if(!value)
                 return [];
 
             return value.split(',');
refs #<I> fix sites manager was broken