diff --git a/.travis.yml b/.travis.yml
index 316af68..a2a79b3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,7 +24,7 @@ script:
   - sudo lua test.lua
 
 after_success:
-  - coveralls -b .. -r ..
+  - coveralls -b .. -r .. -E usr
 
 notifications:
   email: