diff --git a/outputs.tf b/outputs.tf
index 82a7cd99..27038df5 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -10,7 +10,7 @@ output "cluster_arn" {
 
 output "cluster_certificate_authority_data" {
   description = "Nested attribute containing certificate-authority-data for your cluster. This is the base64 encoded certificate data required to communicate with your cluster."
-  value       = element(concat(aws_eks_cluster.this.*.certificate_authority[0].data, list("")), 0)
+  value       = element(concat(aws_eks_cluster.this[*].certificate_authority[0].data, list("")), 0)
 }
 
 output "cluster_endpoint" {