diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000..7c3cacb
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,5 @@
+[run]
+dynamic_context = test_function
+
+[html]
+show_contexts = True
diff --git a/tox.ini b/tox.ini
index 97f7586..3b7208d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,7 +10,7 @@ setenv =
   PYTHONPATH=.
   SETUPTOOLS_USE_DISTUTILS=stdlib
   DB_ENGINE=postgresql_psycopg2
-  coverage: COVERAGE=--cov=mellon --cov-branch --cov-append --cov-report xml --cov-report html
+  coverage: COVERAGE=--cov=mellon --cov-branch --cov-append --cov-report xml --cov-report html --cov-config .coveragerc
 usedevelop =
     coverage: true
 deps =