diff --git a/tox.ini b/tox.ini
index 8112fdd95..a4c7b37cf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ deps =
 setenv = HOME = {envtmpdir}
 commands =
   mitmdump --version
-  pytest --timeout 60 -v --cov-report xml \
+  pytest --timeout 60 -vv --cov-report xml \
     --cov=mitmproxy --cov=pathod --cov=release \
     --full-cov=mitmproxy/ --full-cov=pathod/ \
     {posargs}