diff --git a/ui-v2/app/models/session.js b/ui-v2/app/models/session.js
index 1ce2ba997c..d569c051bd 100644
--- a/ui-v2/app/models/session.js
+++ b/ui-v2/app/models/session.js
@@ -13,7 +13,7 @@ export default Model.extend({
   ModifyIndex: attr('number'),
   LockDelay: attr('number'),
   Behavior: attr('string'),
-  TTL: attr('number'),
+  TTL: attr('string'),
   Checks: attr({
     defaultValue: function() {
       return [];