diff --git a/jjb/pipeline/voltha-dt-physical-functional-tests.groovy b/jjb/pipeline/voltha-dt-physical-functional-tests.groovy
index 41419f8..e3924f1 100644
--- a/jjb/pipeline/voltha-dt-physical-functional-tests.groovy
+++ b/jjb/pipeline/voltha-dt-physical-functional-tests.groovy
@@ -59,7 +59,7 @@
             url: "https://gerrit.opencord.org/voltha-system-tests",
             refspec: "${volthaSystemTestsChange}"
           ]],
-          branches: [[ name: "${branch}", ]],
+          branches: [[ name: "master", ]],
           extensions: [
             [$class: 'WipeWorkspace'],
             [$class: 'RelativeTargetDirectory', relativeTargetDir: "voltha-system-tests"],