diff --git a/.travis.yml b/.travis.yml
index 5e079c31..db68d0ea 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,3 +15,5 @@ matrix:
     - { rvm: 1.8.7, env: tilt=master }
     - { rvm: 1.9.3, env: rack=master }
     - { rvm: 1.9.3, env: tilt=master }
+  allow_failures:
+    - rvm: rbx-19mode