diff --git a/.travis.yml b/.travis.yml
index ba0495a74..e1450c52b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,12 @@
 language: cpp
 
+os:
+  - linux
+  - osx
+
 before_install:
-  - sudo apt-get install python-pexpect
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get install python-pexpect; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then sudo easy_install pexpect; fi
 
 script:
   - ./bootstrap-configure --enable-minimum-set-of-tests