diff --git a/environment/region/vpc/cluster/eks-dns/terragrunt.hcl b/environment/region/vpc/cluster/eks-dns/terragrunt.hcl
index feecb98..bf687b6 100644
--- a/environment/region/vpc/cluster/eks-dns/terragrunt.hcl
+++ b/environment/region/vpc/cluster/eks-dns/terragrunt.hcl
@@ -59,6 +59,7 @@ inputs = {
 
   # Cluster Configuration
   cluster_name = include.root.inputs.cluster_name
+  environment_abbr = include.root.inputs.environment_abbr
 
   # Network Configuration
   istio_ingress_lb  = dependency.eks-istio.outputs.istio_ingress_lb