diff --git a/autogen/safer-cluster/main.tf.tmpl b/autogen/safer-cluster/main.tf.tmpl
index ecec2e4bd..ad0bb77a2 100644
--- a/autogen/safer-cluster/main.tf.tmpl
+++ b/autogen/safer-cluster/main.tf.tmpl
@@ -28,6 +28,7 @@ module "gke" {
   name               = var.name
   regional           = var.regional
   region             = var.region
+  zones              = var.zones
   network            = var.network
   network_project_id = var.network_project_id
 
diff --git a/modules/safer-cluster-update-variant/main.tf b/modules/safer-cluster-update-variant/main.tf
index 9cd0ad3e0..26b5f7e89 100644
--- a/modules/safer-cluster-update-variant/main.tf
+++ b/modules/safer-cluster-update-variant/main.tf
@@ -24,6 +24,7 @@ module "gke" {
   name               = var.name
   regional           = var.regional
   region             = var.region
+  zones              = var.zones
   network            = var.network
   network_project_id = var.network_project_id
 
diff --git a/modules/safer-cluster/main.tf b/modules/safer-cluster/main.tf
index fd12123be..21e634ad6 100644
--- a/modules/safer-cluster/main.tf
+++ b/modules/safer-cluster/main.tf
@@ -24,6 +24,7 @@ module "gke" {
   name               = var.name
   regional           = var.regional
   region             = var.region
+  zones              = var.zones
   network            = var.network
   network_project_id = var.network_project_id