diff --git a/grunt/config/webdriver-jasmine.js b/grunt/config/webdriver-jasmine.js
index 3a9cf1eab0..f088cb83ef 100644
--- a/grunt/config/webdriver-jasmine.js
+++ b/grunt/config/webdriver-jasmine.js
@@ -31,7 +31,7 @@ exports.saucelabs = {
     }
   },
   desiredCapabilities: {
-    "build": process.env.TRAVIS_BUILD_NUMBER,
+    "build": process.env.TRAVIS_BUILD_NUMBER || 'dev' + Date.now(),
     "tunnel-identifier": process.env.TRAVIS_JOB_NUMBER || 'my awesome tunnel',
     "browserName": "chrome"
   },