diff --git a/.travis.yml b/.travis.yml
index 1e86dfc1c8..35a2d272b0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: node_js
 node_js:
   - stable
 script:
-  - npm run lint && npm run test && npm run downloadsolc && npm run build
+  - npm run lint && npm run csslint && npm run test && npm run downloadsolc && npm run build
   - ./ci/browser_tests.sh
 deploy:
   provider: script