diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index 3688c6f..bf5f858 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -51,7 +51,7 @@ resource "google_compute_firewall" "allow-ssh" {
 }
 
 resource "google_compute_firewall" "front-to-back" {
-  name    = "front-to_back"
+  name    = "front-to-back"
   network = google_compute_network.vpc.id
 
   allow {
@@ -63,8 +63,8 @@ resource "google_compute_firewall" "front-to-back" {
   target_tags   = ["backend"]
 }
 
-resource "google_compute_firewall" "back_to_db" {
-  name    = "back_to_db"
+resource "google_compute_firewall" "back-to-db" {
+  name    = "back-to-db"
   network = google_compute_network.vpc.id
 
   allow {