diff --git a/.travis.yml b/.travis.yml
index 559895df..7ea4d126 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,6 +22,10 @@ install:
   - pip install coverage pytest-cov coveralls --use-mirrors
   - npm install
 
+before_script:
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start
+
 script:
   - python setup.py test
   - cd karma-tests && make test