diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 00000000..3240e0fa
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,8 @@
+[run]
+branch = True
+source = oslo_config
+omit = oslo_config/tests/*
+
+[report]
+ignore_errors = True
+precision = 2
diff --git a/.gitignore b/.gitignore
index bc7f2824..03377e81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ ChangeLog
 *.log
 .tox
 .coverage
+cover
 oslo.config.egg-info/
 build/
 doc/build/
diff --git a/tox.ini b/tox.ini
index a483a64b..8670ed22 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,7 @@ commands = flake8
 [testenv:cover]
 setenv = VIRTUAL_ENV={envdir}
 commands =
-  python setup.py testr --coverage
+  python setup.py test --coverage --coverage-package-name=oslo_config --testr-args='{posargs}'
 
 [testenv:venv]
 commands = {posargs}