diff --git a/.travis.yml b/.travis.yml
index 06883d6..6187f0c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ php:
 
 matrix:
   allow_failures:
-    php: hhvm
+    - php: hhvm
 
 before_script:
   - composer require --no-update satooshi/php-coveralls:dev-master sensiolabs/security-checker:dev-master