diff --git a/terraform/modules/network/main.tf b/terraform/modules/network/main.tf
index 699003f..d7c2657 100644
--- a/terraform/modules/network/main.tf
+++ b/terraform/modules/network/main.tf
@@ -56,7 +56,7 @@ resource "google_compute_firewall" "allow_ssh" {
 }
 
 resource "google_compute_firewall" "allow_front_back" {
-  name    = "allow_front_back"
+  name    = "allow-front--back"
   network = google_compute_network.tp07.id
 
   allow {
@@ -69,7 +69,7 @@ resource "google_compute_firewall" "allow_front_back" {
 }
 
 resource "google_compute_firewall" "allow_back_database" {
-  name    = "allow_back_database"
+  name    = "allow-back--database"
   network = google_compute_network.tp07.id
 
   allow {