diff --git a/.travis.yml b/.travis.yml
index 1400692..cdb1e5c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,6 +36,7 @@ before_install:
 install:
   - conda install --yes python=$TRAVIS_PYTHON_VERSION numpy scipy pytest
   - pip install coveralls
+  - python setup.py build
   - python setup.py install
 #  - conda build conda_recipe
 #  - conda install wafo --use-local