diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 22c5d64..2e9610f 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -329,6 +329,8 @@
               _TAG=$INSTANCE kubectl exec $INSTANCE -- /usr/bin/tcpdump -nei eth0 port 1812 -w out.pcap&
             done
           fi
+          # set adapter log level to debug
+          voltctl log level set debug adapter-open-olt
         '''
       }
     }