diff --git a/plugins/SitesManager/angularjs/sites-manager/api-helper.service.js b/plugins/SitesManager/angularjs/sites-manager/api-helper.service.js
index 1d6902d3143bb27dae0003bb9cb106a4785413bc..9811cde6cc1f5c27c2f98815d9cc37b0122c905f 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(',');