diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index a23beb3..a83d44f 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -62,6 +62,7 @@
     VOLTHA_BBSIM_CHART="${bbsimChart}"
     VOLTHA_ADAPTER_OPEN_OLT_CHART="${openoltAdapterChart}"
     VOLTHA_ADAPTER_OPEN_ONU_CHART="${openonuAdapterChart}"
+    ONOS_CLASSIC_CHART="${onosChart}"
 
     APPS_TO_LOG="etcd kafka onos-onos-classic adapter-open-onu adapter-open-olt rw-core ofagent bbsim radius"
     LOG_FOLDER="$WORKSPACE/logs"
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index a40d7fe..04e01f9 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -458,6 +458,11 @@
           description: 'Custom image selection for Openonu Adapter (repo:tag)'
 
       - string:
+          name: onosChart
+          default: '{onosChart}'
+          description: 'ONOS chart name (or location on file system)'
+
+      - string:
           name: volthaSystemTestsChange
           default: '{volthaSystemTestsChange}'
           description: 'Download a change for gerrit in the voltha-system-tests repo, example value: "refs/changes/79/18779/13"'
@@ -513,6 +518,7 @@
     volthaChart: onf/voltha
     openoltAdapterChart: onf/voltha-adapter-openolt
     openonuAdapterChart: onf/voltha-adapter-openonu
+    onosChart: onos/onos-classic
 
     olts: 2
     pons: 2
@@ -588,6 +594,7 @@
     volthaChart: onf/voltha
     openoltAdapterChart: onf/voltha-adapter-openolt
     openonuAdapterChart: onf/voltha-adapter-openonu
+    onosChart: onos/onos-classic
 
     olts: 2
     pons: 2