diff --git a/tp-cloud/terraform/modules/compute/variables.tf b/tp-cloud/terraform/modules/compute/variables.tf
index 6840a39..5205614 100644
--- a/tp-cloud/terraform/modules/compute/variables.tf
+++ b/tp-cloud/terraform/modules/compute/variables.tf
@@ -7,7 +7,7 @@ variable "instance_type" {
 variable "zone" {
   description = "zone des instances"
   type        = string
-  default     = "europe-west4"
+  default     = "europe-west4-a"
 }
 
 variable "frontend_subnet_id" {