diff --git a/.travis.yml b/.travis.yml
index 6009954f..f52a902e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,4 +29,4 @@ notifications:
 #    on_failure: always
 
 after_success:
-  - coveralls --base_dir gns3server
+  - coveralls --data_file .coverage --base_dir gns3server