diff --git a/vpc-transit-gateway-association/self/associate.tf b/vpc-transit-gateway-association/self/associate.tf
index e8146e2..d44fbea 100644
--- a/vpc-transit-gateway-association/self/associate.tf
+++ b/vpc-transit-gateway-association/self/associate.tf
@@ -77,7 +77,7 @@ locals {
 resource "aws_ec2_transit_gateway_route_table_propagation" "vpc_self_own_rt" {
   provider = aws.self
   #  for_each = var.transit_gateway_environment == "services" ? { for k in local.selected_rt : k => local.transit_gateway_route_table_ids_self[k] } : { (var.transit_gateway_environment) = local.transit_gateway_route_table_ids_self[var.transit_gateway_environment] }
-  for_each = var.transit_gateway_environment == "services" ? { for k in local.selected_rt : k => var.data_input.map_route_tables_self[k] if var.enable_vpc_attachment } : var.enable_vpc_attachment ? { (var.transit_gateway_environment) = var.data_input.map_route_tables_self[var.transit_gateway_environment] } : {}
+  for_each = var.transit_gateway_environment == "services" ? { for k in local.selected_rt : k => var.data_input.map_route_tables_self[k] if var.enable_tgw_attachment } : var.enable_tgw_attachment ? { (var.transit_gateway_environment) = var.data_input.map_route_tables_self[var.transit_gateway_environment] } : {}
 
   transit_gateway_attachment_id  = try(aws_ec2_transit_gateway_vpc_attachment.vpc_attachment[0].id, null)
   transit_gateway_route_table_id = each.value