diff --git a/.travis.yml b/.travis.yml
index 675b9f9..0d107e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,4 +5,4 @@ rvm:
   - jruby-19mode
 matrix:
   allow_failures:
-    - ruby-head
+    - rvm: ruby-head