diff --git a/tox.ini b/tox.ini
index 42f8433..ff9f1ed 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ deps =
      ipdb
      pytest-cov
      flaky
-commands = py.test -v --cov pylast --cov-report term-missing {posargs}
+commands = py.test -v -s -W all --cov pylast --cov-report term-missing {posargs}
 
 [testenv:venv]
 deps = ipdb