diff --git a/app/measure/measure.js b/app/measure/measure.js
index 959ac6a..23fb129 100755
--- a/app/measure/measure.js
+++ b/app/measure/measure.js
@@ -71,6 +71,7 @@ angular.module('Measure.Measure', ['ngRoute'])
       return ndt7.test(
         {
           userAcceptedDataPolicy: true,
+          uploadworkerfile: "/libraries/ndt7-upload-worker.min.js",
           downloadworkerfile: "/libraries/ndt7-download-worker.min.js",
           metadata: {
             client_name: "speed-measurementlab-net",
@@ -188,7 +189,6 @@ angular.module('Measure.Measure', ['ngRoute'])
       return packet-test.test(
         {
           userAcceptedDataPolicy: true,
-          uploadworkerfile: "/libraries/ndt7-upload-worker.min.js",
           downloadworkerfile: "/libraries/ndt7-download-worker.min.js",
           metadata: {
             client_name: "speed-measurementlab-net",
diff --git a/gulpfile.js b/gulpfile.js
index 99bdee2..447da6c 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -43,6 +43,7 @@ function copy_libs(cb) {
   gulp.src([
     "./node_modules/@m-lab/ndt7/src/*.min.js",
     "./node_modules/@m-lab/msak/dist/*.min.js",
+    "./node_modules/@m-lab/packet-test/src/*.js",
   ])
 
   .pipe(gulp.dest('./app/libraries'));