diff --git a/alb-target-group.tf b/alb-target-group.tf
index 3ee4acf..8aa11e3 100644
--- a/alb-target-group.tf
+++ b/alb-target-group.tf
@@ -150,7 +150,7 @@ resource "random_string" "alb_prefix" {
 }
 
 resource "aws_lb_target_group" "green" {
-  name                 = var.compat_keep_target_group_naming ? "${var.cluster_name}-${var.name}-gr" : format("%s-gr-%s", substr("${var.cluster_name}-${replace(var.name,"_" ,"-" )}", 0, 24), random_string.alb_prefix.result)
+  name                 = var.compat_keep_target_group_naming ? "${var.cluster_name}-${var.name}-gr" : format("%s-gr-%s", substr("${var.cluster_name}-${replace(var.name, "_", "-")}", 0, 24), random_string.alb_prefix.result)
   port                 = var.port
   protocol             = var.protocol
   vpc_id               = var.vpc_id
@@ -180,7 +180,7 @@ resource "aws_lb_target_group" "green" {
 }
 
 resource "aws_lb_target_group" "blue" {
-  name                 = var.compat_keep_target_group_naming ? "${var.cluster_name}-${var.name}-bl" : format("%s-bl-%s", substr("${var.cluster_name}-${replace(var.name,"_" ,"-" )}", 0, 24), random_string.alb_prefix.result)
+  name                 = var.compat_keep_target_group_naming ? "${var.cluster_name}-${var.name}-bl" : format("%s-bl-%s", substr("${var.cluster_name}-${replace(var.name, "_", "-")}", 0, 24), random_string.alb_prefix.result)
   port                 = var.port
   protocol             = var.protocol
   vpc_id               = var.vpc_id