diff --git a/main.tf b/main.tf
index 7214301..785e193 100644
--- a/main.tf
+++ b/main.tf
@@ -12,6 +12,7 @@ locals {
   is_shared_vpc              = data.aws_vpc.eks_vpc.owner_id != data.aws_caller_identity.current.account_id
   region                     = var.region
   vpc_domain_name            = var.vpc_domain_name
+  cluster_zone               = aws_route53_zone.cluster_domain.zone_id
 }
 
 #-------------------------------------------------
@@ -57,7 +58,7 @@ module "route53_cluster_domain_east" {
   source   = "git@github.e.it.census.gov:terraform-modules/aws-vpc-setup.git//route53-zone-association/zone?ref=tf-upgrade"
   region   = "us-gov-east-1"
   vpc_id   = data.aws_vpc.eks_vpc.id
-  zone_ids = [aws_route53_zone.cluster_domain.zone_id]
+  zone_ids = [local.cluster_zone]
 
   tags = var.tags
 }
@@ -76,7 +77,7 @@ module "route53_cluster_domain_west" {
   source   = "git@github.e.it.census.gov:terraform-modules/aws-vpc-setup.git//route53-zone-association/zone?ref=tf-upgrade"
   region   = "us-gov-west-1"
   vpc_id   = data.aws_vpc.eks_vpc.id
-  zone_ids = [aws_route53_zone.cluster_domain.zone_id]
+  zone_ids = [local.cluster_zone]
 
   tags = var.tags
 }