diff --git a/.travis.yml b/.travis.yml
index 925851369..5d4c19785 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ matrix:
 before_script:
   - pip install 'travis-cargo<0.2' --user  && export PATH=$HOME/Library/Python/2.7/bin:$HOME/.local/bin:$PATH
 script:
+  - export
   - travis-cargo build -- --features $FEATURE --no-default-features
   - travis-cargo test -- --features $FEATURE --no-default-features
   - travis-cargo doc -- --features $FEATURE --no-default-features