diff --git a/tox.ini b/tox.ini
index 264c59ea3..0261a1e17 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,10 +24,12 @@ commands =
 setenv =
   PYTHON=coverage run --source oslo_messaging --parallel-mode
 commands =
+  coverage erase
   stestr run --slowest {posargs}
   coverage combine
   coverage html -d cover
   coverage report
+  coverage report --show-missing
 
 [testenv:venv]
 commands = {posargs}