diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..29f91ca
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,23 @@
+# .coveragerc to control coverage.py
+[run]
+branch = True
+source = radicale
+
+[report]
+# Regexes for lines to exclude from consideration
+exclude_lines =
+    # Have to re-enable the standard pragma
+    pragma: no cover
+
+    # Don't complain if tests don't hit defensive assertion code:
+    raise AssertionError
+    raise NotImplementedError
+
+    # Don't complain if non-runnable code isn't run:
+    if __name__ == .__main__.:
+
+omit =
+    tests/*
+    */tests/*
+
+ignore_errors = True
diff --git a/setup.cfg b/setup.cfg
index 6c7e202..ee99fdb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,5 +5,5 @@ test = pytest
 python-tag = py3
 
 [tool:pytest]
-addopts = --flake8 --isort --cov radicale -r s
+addopts = --flake8 --isort --cov -r s
 norecursedirs = dist .cache .git build Radicale.egg-info .eggs venv