2 files changed, 2 insertions, 0 deletions

diff --git a/coverage.ini b/coverage.ini
index 6d9b367..825b00f 100644
--- a/coverage.ini
+++ b/coverage.ini
@@ -1,3 +1,4 @@
 [run]
 source = mailman_pgp
+concurrency = multiprocessing
 omit = setup.py
\ No newline at end of file
diff --git a/tox.ini b/tox.ini
index 5348c08..a5503b7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,6 +16,7 @@ deps = flufl.testing
 setenv = MAILMAN_EXTRA_TESTING_CFG = {toxinidir}/src/mailman_pgp/config/mailman.cfg
 commands = nocov: python -m nose2 -v {posargs}
            cov: python -m coverage run {[coverage]rc} -m nose2 -v {posargs}
+           cov: python -m coverage combine {[coverage]rc}
            cov: python -m coverage html {[coverage]rc}
            cov: python -m coverage report -m {[coverage]rc}