diff --git a/vpn-transit-gateway/vpn-config.tf b/vpn-transit-gateway/vpn-config.tf
index 81a943c..f0a665f 100644
--- a/vpn-transit-gateway/vpn-config.tf
+++ b/vpn-transit-gateway/vpn-config.tf
@@ -93,14 +93,14 @@ resource "local_sensitive_file" "vpn_details_yaml" {
 
 resource "local_sensitive_file" "vpn_site_details_json" {
   for_each        = var.generate_json_files ? local.vpn_site_tunnel_outputs : {}
-  content         = yamlencode(({ version = local._module_version, each.key = each.value }))
+  content         = yamlencode({ version = local._module_version, (each.key) = each.value })
   filename        = format("%v/%v/site.%v.%v.%v.json", path.root, null_resource.directory_setup.triggers.name, local.account_id, local.region, each.key)
   file_permission = "0644"
 }
 
 resource "local_sensitive_file" "vpn_site_details_yaml" {
   for_each        = var.generate_yaml_files ? local.vpn_site_tunnel_outputs : {}
-  content         = yamlencode(({ version = local._module_version, each.key = each.value }))
+  content         = yamlencode({ version = local._module_version, (each.key) = each.value })
   filename        = format("%v/%v/site.%v.%v.%v.yml", path.root, null_resource.directory_setup.triggers.name, local.account_id, local.region, each.key)
   file_permission = "0644"
 }