diff --git a/modules/kubernetes-addons/argocd/main.tf b/modules/kubernetes-addons/argocd/main.tf
index ce4fd44b0d..9ebd4b95b4 100644
--- a/modules/kubernetes-addons/argocd/main.tf
+++ b/modules/kubernetes-addons/argocd/main.tf
@@ -60,7 +60,7 @@ resource "helm_release" "argocd_application" {
   set {
     name = "source.helm.values"
     value = yamlencode(merge(
-      { repo_url = each.value.repo_url },
+      { repoUrl = each.value.repo_url },
       each.value.values,
       local.global_application_values,
       each.value.add_on_application ? var.addon_config : {}