diff --git a/.travis.yml b/.travis.yml
index 2c05300..6655410 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,9 @@ addons:
 
 install: ./ci/build.sh
 
+services:
+- xvfb
+
 before_script:
   - export DISPLAY=:99.0
   - sleep 3