diff --git a/test_set/cvp-spt/global_config.yaml b/test_set/cvp-spt/global_config.yaml
index 51af102..f55a2a6 100644
--- a/test_set/cvp-spt/global_config.yaml
+++ b/test_set/cvp-spt/global_config.yaml
@@ -27,3 +27,4 @@
 CMP_HOSTS: []
 nova_timeout: 30
 iperf_prep_string: "sudo /bin/bash -c 'echo \"91.189.88.161        archive.ubuntu.com\" >> /etc/hosts'"
+IMAGE_SIZE_MB: 2000
\ No newline at end of file