diff --git a/.travis.yml b/.travis.yml
index d4f6d81..002ca96 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ install:
 # command to run tests
 script:
   - python -m compileall ./
-  - coverage run -m unittest discover -s . -v -p "*_test.py"
+  - coverage run --omit='*/virtualenv/*,*/site-packages/*' -m unittest discover -s . -v -p "*_test.py"
 
 after_success:
   - coveralls