diff --git a/.travis.yml b/.travis.yml
index 018b77ebf9..46be91d18e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,7 +29,7 @@ rvm:
 matrix:
   allow_failures:
     - env: "GEM=ar:mysql"
-    - ruby-head
+    - rvm: ruby-head
   fast_finish: true
 notifications:
   email: false