diff --git a/.travis.yml b/.travis.yml
index 41c1209..6b40e32 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ before_script:
   - composer install --no-interaction
 
 script:
-  - vendor/bin/phpunit
+  - vendor/bin/phpunit --coverage-clover=coverage.xml
 
 after_success:
-  - bash < (curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)