diff --git a/.travis.yml b/.travis.yml
index e5dbfe4..f9c9a03 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,7 +33,7 @@ install:
 
 script:
   - flake8
-  - python runtests.py
+  - coverage run --source=speedinfo runtests.py
 
 after_success:
   - coveralls