diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 7104fbc..a40d7fe 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -97,6 +97,8 @@
           atomixReplicas: 3
           extraHelmFlags: '--set defaults.rw_core.timeout=30s '
           withPcap: true
+          ofAgentImg: 'matteoscandolo/voltha-ofagent-go:flow-chunk'
+          onosImg: 'matteoscandolo/voltha-onos:dhcp'
           logLevel: INFO
 
       # jobs for DT with 512 ONUs with a 8 openonu-adapters and clustered ONOS.