diff --git a/.travis.yml b/.travis.yml
index e6b4ae4..79e0c74 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,8 @@ matrix:
       language: generic
 
 install:
-  - pip install pyflakes pep8 coverage coveralls nose
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then pip2 install pyflakes pep8 coverage coveralls nose; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then pip install pyflakes pep8 coverage coveralls nose; fi
 
 script:
   - pyflakes .