diff --git a/.travis.yml b/.travis.yml
index 290c22b18beba9741f6e47b56930a35a6943dec5_LnRyYXZpcy55bWw=..45fa35337bf9eb754b815fac7aa6aa41ca6f3beb_LnRyYXZpcy55bWw= 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,4 +5,6 @@
   - "2.7"
   - "3.3"
   - "pypy"
-script: python setup.py test
+script:
+  - python setup.py build_ext -i
+  - python setup.py test