diff --git a/tox.ini b/tox.ini
index 376b1159..08d1fbf6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -68,7 +68,9 @@ commands =
       python setup.py testr --testr-args="{posargs}"
 
 [testenv:cover]
-commands = bash -x {toxinidir}/setup-test-env-mongodb.sh python setup.py testr --slowest --coverage --testr-args="{posargs}"
+setenv = OS_TEST_PATH=ceilometer/tests
+commands =
+   python setup.py testr --slowest --coverage --testr-args="{posargs}"
 
 [testenv:pep8]
 commands =