diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9d0e4c4db6cbdb0749800a4a6f948b9699bd43a7..6bbc3efd25699a813a3252b6c7b0da9b0a65dfac 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -69,7 +69,7 @@ run tests:
   stage: test
   script:
     - pip3 install sympy
-    - py.test --cov=kwant --cov-report term --cov-report html --flakes kwant
+    - py.test -r w --cov=kwant --cov-report term --cov-report html --flakes kwant
   artifacts:
     paths:
       - htmlcov