diff --git a/.travis.yml b/.travis.yml
index 46fcf38a..e4d83005 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,4 +29,6 @@ matrix:
         - os: osx
           language: generic
           env: TOXENV=py35
-script: "sh -x scripts/travis-ci-build"
+script:
+    - "sh -x scripts/travis-ci-build"
+    - if test "$TRAVIS_OS_NAME" = "osx" ; then python3 setup_osx.py py2app ; fi