diff --git a/.travis.yml b/.travis.yml
index 392a8d9c7..cbf3ff239 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,3 +6,6 @@ script: s/travis-build
 before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -qq libtolua-dev liblua5.1-dev libncurses5-dev libsqlite3-dev libxml2-dev 
+os:
+  - linux
+  - osx