diff --git a/main.tf b/main.tf
index 1ae8131..ca88dba 100644
--- a/main.tf
+++ b/main.tf
@@ -6,6 +6,10 @@ variable "instance_type" {
 variable "workers_additional_policies" {
   default = []
 }
+variable "sys_worker_group_name" {}
+variable "sys_instance_type" {}
+variable "sys_asg_capacity" {}
+
 
 data "aws_availability_zones" "available" {}