diff --git a/bin/generate_travis_yml.py b/bin/generate_travis_yml.py
index 75c0cd2..a4ea3bd 100644
--- a/bin/generate_travis_yml.py
+++ b/bin/generate_travis_yml.py
@@ -14,6 +14,6 @@ print("  - pip install python-coveralls")
 print("script:")
 print("  - tox -e $TOX_ENV")
 print("after_success:")
-print('  - if [ "$TOX_ENV" = "coveralls" ]; then coveralls; fi')
+print('  - if [ "$TOX_ENV" = "py27 ]; then tox -e coveralls; fi')
 print("notifications:")
 print("  email: false")