diff --git a/deployment/heat/onap-oom/env/tlab/onap-oom.env b/deployment/heat/onap-oom/env/tlab/onap-oom.env
index 3e59b04..d5c0247 100644
--- a/deployment/heat/onap-oom/env/tlab/onap-oom.env
+++ b/deployment/heat/onap-oom/env/tlab/onap-oom.env
@@ -6,7 +6,7 @@
   docker_proxy: 192.168.31.204:5000
 
   rancher_vm_flavor: m4.xlarge
-  k8s_vm_flavor: m5.xlarge
+  k8s_vm_flavor: m4.xlarge
 
   public_net_id: fbe8fd92-6636-4e63-ab28-bb6a5b0888a9