diff --git a/.travis.yml b/.travis.yml
index decdf6a..59e818b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,8 @@ cache:
 - cocoapods
 - bundler
 gemfile: test/Gemfile
+before_install:
+- unset CPATH
 install:
 - bundle install --jobs=3 --retry=3 --path=${BUNDLE_PATH:-vendor/bundle}
 - bundle exec pod setup