diff --git a/www/js/channelSettings.js b/www/js/channelSettings.js
index 1af50fc..5ff1aaf 100644
--- a/www/js/channelSettings.js
+++ b/www/js/channelSettings.js
@@ -198,7 +198,7 @@ class rankList{
             imgNode.src = user.img;
 
             //If the listed user rank is equal or higher than the signed-in user
-            if(rankEnum.indexOf(user.rank) >= rankEnum.indexOf(curUser.rank)){
+            if(curUser != null && rankEnum.indexOf(user.rank) >= rankEnum.indexOf(curUser.rank)){
                 var rankContent = user.rank;
             }else{
                 //Create rank select