diff --git a/terraform/modules/compute/main.tf b/terraform/modules/compute/main.tf
index 9e22672..769516e 100644
--- a/terraform/modules/compute/main.tf
+++ b/terraform/modules/compute/main.tf
@@ -1,5 +1,5 @@
 resource "google_compute_instance" "instance_frontend" {
-  name         = "instance de frontend"
+  name         = "instance-de-frontend"
   machine_type = var.instance_type
   zone         = var.zone
 
@@ -23,7 +23,7 @@ resource "google_compute_instance" "instance_frontend" {
 }
 
 resource "google_compute_instance" "instance_backend" {
-  name         = "instance de backend"
+  name         = "instance-de-backend"
   machine_type = var.instance_type
   zone         = var.zone
 
@@ -46,7 +46,7 @@ resource "google_compute_instance" "instance_backend" {
 }
 
 resource "google_compute_instance" "instance_database" {
-  name         = "instance de database"
+  name         = "instance-de-database"
   machine_type = var.instance_type
   zone         = var.zone