diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..ebf9c28
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,7 @@
+[run]
+branch = True
+source = oslo_rootwrap
+omit = oslo_rootwrap/tests/*
+
+[report]
+ignore_errors = True
diff --git a/tox.ini b/tox.ini
index 5b2a363..c6a9ca1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,12 +27,14 @@ commands =
 deps = {[testenv]deps}
     coverage
 setenv =
-    PYTHON=coverage run --source $project --parallel-mode
+    PYTHON=coverage run --source oslo_rootwrap --parallel-mode
 commands =
+    coverage erase
     stestr run {posargs}
     coverage combine
     coverage html -d cover
     coverage xml -o cover/coverage.xml
+    coverage report --show-missing
 
 [testenv:venv]
 commands = {posargs}