diff --git a/.travis.yml b/.travis.yml
index 967fe25..02b3057 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ rvm:
   - jruby
 matrix:
   allow_failures:
-    - rbx-2 # See rubinius/rubinius#3485 - rubocop segfaults
+    - rvm: rbx-2 # See rubinius/rubinius#3485 - rubocop segfaults
 script: "bundle exec rake"
 addons:
   apt: