diff --git a/EksIp6Nginxpod/main.tf b/EksIp6Nginxpod/main.tf
index 71238ff..4fd5381 100644
--- a/EksIp6Nginxpod/main.tf
+++ b/EksIp6Nginxpod/main.tf
@@ -186,6 +186,17 @@ module "eks" {
     eks-pod-identity-agent = {
       preserve       = false
       before_compute = true
+      # If your nodes does not allow ipv6, use the following to force the agent to bind to ipv4 only
+      # https://docs.aws.amazon.com/eks/latest/userguide/pod-id-agent-config-ipv6.html
+      # configuration_values = jsonencode(
+      #   {
+      #     "agent": {
+      #       "additionalArgs": {
+      #         "-b": "169.254.170.23"
+      #       }
+      #     }
+      #   }
+      # )
     }
     kube-proxy = {}
     aws-ebs-csi-driver = {
diff --git a/modules/storage/S3Bucket/variables.tf b/modules/storage/S3Bucket/variables.tf
index 138b02c..0cf03d8 100644
--- a/modules/storage/S3Bucket/variables.tf
+++ b/modules/storage/S3Bucket/variables.tf
@@ -67,7 +67,7 @@ variable "replication_dest_bucket_name" {
 }
 
 variable "replication_destination_aws_account_id" {
-  type        = number
+  type        = string
   default     = null
   description = "AWS account id of replica bucket"
 }