diff --git a/ui/app/models/aws-credential.js b/ui/app/models/aws-credential.js
index 6a5919a82c8..3771272b86a 100644
--- a/ui/app/models/aws-credential.js
+++ b/ui/app/models/aws-credential.js
@@ -20,6 +20,7 @@ export default DS.Model.extend({
   }),
   ttl: attr({
     editType: 'ttl',
+    defaultValue: '3600s',
     label: 'TTL',
     helpText:
       'Specifies the TTL for the use of the STS token. Valid only when credential_type is assumed_role or federation_token.',