diff --git a/Gruntfile.js b/Gruntfile.js
index 6ad3da11..39f2f21b 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -229,7 +229,7 @@ module.exports = function(grunt) {
         options: {
           username: 'openpgpjs',
           key: getSauceKey,
-          urls: ['http://127.0.0.1:3000/test/unittests.html'],
+          urls: ['http://127.0.0.1:3000/test/unittests.html?saucelabs=true'],
           build: process.env.TRAVIS_BUILD_ID,
           testname: 'Sauce Unit Test for openpgpjs',
           browsers: [browser_capabilities],
diff --git a/test/unittests.js b/test/unittests.js
index 9359c60b..bb2f53d9 100644
--- a/test/unittests.js
+++ b/test/unittests.js
@@ -37,7 +37,8 @@ describe('Unit Tests', function () {
 
   if (typeof window !== 'undefined') {
     afterEach(function () {
-      if (window.scrollY >= document.body.scrollHeight - window.innerHeight - 100) {
+      if (window.scrollY >= document.body.scrollHeight - window.innerHeight - 100
+        || openpgp.config.saucelabs) {
         window.scrollTo(0, document.body.scrollHeight);
       }
     });