diff --git a/kms.tf b/kms.tf
index f680b41..278ba78 100644
--- a/kms.tf
+++ b/kms.tf
@@ -2,7 +2,7 @@ locals {
   kms_name     = var.kmskey_name != null ? var.kms_key_name : local.name
   kms_key_name = format("%s%s", local._prefixes["kms"], local.kms_name)
 
-  kms_admin_root = [format("arn:%v:iam::%v:root", data.aws_arn.current.partition, local.account_id)]
+  kms_admin_root = format("arn:%v:iam::%v:root", data.aws_arn.current.partition, local.account_id)
   #  kms_admin_roles     = compact(concat(local.kms_admin_root, var.kms_admin_roles))
   kms_admin_roles = [local.kms_admin_root]
   #  kms_policy_document = length(var.kms_policy_document) > 0 ? var.kms_policy_document : data.aws_iam_policy_document.empty.json