diff --git a/.travis.yml b/.travis.yml
index 8fe9563..9f84fbe 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,6 @@ rvm:
   - 2.2.6
   - 2.3.3
   - ruby-head
- matrix:
-   allow_failures:
-     - rvm: ruby-head
+matrix:
+  allow_failures:
+    - rvm: ruby-head