diff --git a/k8s/yamls/spt_global_config.yaml.clean b/k8s/yamls/spt_global_config.yaml.clean
index 751ef62..4b522e5 100644
--- a/k8s/yamls/spt_global_config.yaml.clean
+++ b/k8s/yamls/spt_global_config.yaml.clean
@@ -4,7 +4,7 @@
 
 # parameters for vm2vm test
 CMP_HOSTS: []
-image_name: "cvp.ubuntu.2004" # Use Ubuntu 20.04 LTS image
+image_name: "image_ref_name" # Use Ubuntu 20.04 LTS image
 flavor_name: 'spt-test'
 flavor_ram: 1536
 flavor_vcpus: 1