diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38f7186..204c733 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 - Fix deprecated interpolation-only expression (by @angelabad)
 - Updated required version of AWS Provider to >= v2.38.0 for Managed Node Groups (by @wmorgan6796)
 - Updated minimum version of Terraform to avoid a bug (by @dpiddockcmp)
+- Fix cluster_oidc_issuer_url output from list to string (by @chewvader)
 - Fix idempotency issues for node groups with no remote_access configuration (by @jeffmhastings)
 
 #### Important notes
diff --git a/outputs.tf b/outputs.tf
index 2478dc2..88ab201 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -45,7 +45,7 @@ output "cluster_iam_role_arn" {
 
 output "cluster_oidc_issuer_url" {
   description = "The URL on the EKS cluster OIDC Issuer"
-  value       = concat(aws_eks_cluster.this[*].identity[*].oidc.0.issuer, [""])[0]
+  value       = flatten(concat(aws_eks_cluster.this[*].identity[*].oidc.0.issuer, [""]))[0]
 }
 
 output "cloudwatch_log_group_name" {