diff --git a/.travis.yml b/.travis.yml
index df1878a..632cf7a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -53,6 +53,7 @@ install:
 
 script:
   - if [[ $TEST_COVERAGE == 'true' ]]; then composer test-coverage ; else composer test ; fi
+  - if [[ $CS_CHECK == 'true' ]]; then composer cs-check ; fi
 
 after_script:
   - if [[ $TEST_COVERAGE == 'true' ]]; then vendor/bin/php-coveralls -v ; fi