diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 3e2963f..42276a4 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -437,7 +437,8 @@
         done
 
         # copy the ONOS logs directly from the container to avoid the color codes
-        printf '%s\n' $(kubectl get pods -l app=onos-onos-classic -o=jsonpath="{.items[*]['metadata.name']}") | xargs -I@ bash -c "kubectl cp @:apache-karaf-4.2.9/data/log/karaf.log $LOG_FOLDER/@.log"
+        # TODO remove hardcoded karaf version
+        printf '%s\n' $(kubectl get pods -l app=onos-onos-classic -o=jsonpath="{.items[*]['metadata.name']}") | xargs -I@ bash -c "kubectl cp @:${karafHome}/data/log/karaf.log $LOG_FOLDER/@.log"
       '''
       // dump all the BBSim(s) ONU informations
       sh '''
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 816b41a..7eaa258 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -254,6 +254,7 @@
           atomixReplicas: 3
           extraHelmFlags: '--set defaults.rw_core.timeout=30s'
           release: voltha-2.4
+          karafHome: apache-karaf-4.2.8
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-voltha-2.4-2-16-32-dt-subscribers'
@@ -273,6 +274,7 @@
           atomixReplicas: 3
           extraHelmFlags: '--set defaults.rw_core.timeout=30s'
           release: voltha-2.4
+          karafHome: apache-karaf-4.2.8
 
       # development pipeline
       - 'voltha-scale-measurements-dev':
@@ -515,6 +517,11 @@
           default: '{inMemoryEtcdStorage}'
           description: 'Whether to write ETCD keys on disk or keep them in memory (true=inMemory)'
 
+      - string:
+          name: karafHome
+          default: '{karaf-home}'
+          description: 'Karaf home'
+
     project-type: pipeline
     concurrent: false
 
@@ -721,6 +728,11 @@
           default: ''
           description: 'Download a change for gerrit in the kind-voltha repo, example value: "refs/changes/32/19132/1"'
 
+      - string:
+          name: karafHome
+          default: '{karaf-home}'
+          description: 'Karaf home'
+
     project-type: pipeline
     concurrent: false