diff --git a/openstack-common.conf b/openstack-common.conf
index 87be1849134f..086796b12e21 100644
--- a/openstack-common.conf
+++ b/openstack-common.conf
@@ -17,6 +17,7 @@ module=local
 module=lockutils
 module=log
 module=loopingcall
+module=memorycache
 module=network_utils
 module=notifier
 module=patch_tox_venv