diff --git a/tox.ini b/tox.ini
index d0a06def9c..ea2b4855fd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -48,13 +48,15 @@ commands = oslo_debug_helper {posargs}
 
 [testenv:cover]
 basepython = python3
+setenv =
+  {[testenv]setenv}
+  PYTHON=coverage run --source trove
 commands =
-     {[testenv]commands}
      coverage erase
-     python setup.py testr --coverage --testr-args="--concurrency=1"
+     stestr run --serial {posargs}
      coverage run -a run_tests.py
-     coverage html
-     coverage xml
+     coverage html -d cover
+     coverage xml -o cover/coverage.xml
      coverage report
 
 [testenv:venv]