diff --git a/vars.tf b/vars.tf
index 4ae6e96c60ac36d448e3319c38c4cf70161b4c71..653ca15c6f94ed653561c0afa01b3e0586c16f88 100644
--- a/vars.tf
+++ b/vars.tf
@@ -34,18 +34,18 @@ variable "internal-subnet" {
 }
 
 variable "image_ohpc" {
-  default = "CentOS-7-x86_64-GenericCloud-1905"
+  default = "ohpc-V0.4"
 }
 
 variable "image_ood" {
-  default = "CentOS-7-x86_64-GenericCloud-1905"
+  default = "ood_1"
 }
 
 variable "image_compute" {
-  default = "CentOS-7-x86_64-GenericCloud-1905"
+  default = "compute"
 }
 variable "compute_node_count" {
-  default = 2
+  default = 1
 }
 
 variable "keypair-name" {