diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index a1a94de..f4252a6 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -96,6 +96,7 @@
           onosReplicas: 3
           atomixReplicas: 3
           extraHelmFlags: '--set defaults.rw_core.timeout=30s '
+          volthaSystemTestsChange:  'refs/changes/78/20378/8'
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-master-1-16-32-tt-subscribers'
@@ -114,6 +115,7 @@
           onosReplicas: 3
           atomixReplicas: 3
           extraHelmFlags: '--set defaults.rw_core.timeout=30s '
+          volthaSystemTestsChange:  'refs/changes/78/20378/8'
 
       # jobs for DT with 512 ONUs with a 8 openonu-adapters and clustered ONOS.
       - 'voltha-scale-measurements':