diff --git a/.travis.yml b/.travis.yml
index f88850658..54a3bfd03 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,7 +26,7 @@ install:
   - travis_install_nightly ${VERSION}
 
 script:
-  # - travis_run_flake8
+  - travis_run_flake8
   - travis_run_tests
 
 after_success: