diff --git a/src/ceph-disk/tox.ini b/src/ceph-disk/tox.ini
index a2bc483a23b..bbf1e21c663 100644
--- a/src/ceph-disk/tox.ini
+++ b/src/ceph-disk/tox.ini
@@ -25,4 +25,4 @@ commands = coverage run --append --source=ceph_disk {envbindir}/py.test -vv {tox
            coverage report --show-missing
 
 [testenv:flake8]
-commands = flake8 --ignore=H105,H405,E127 ceph_disk tests
+commands = flake8 --ignore=H105,H405,E127,E722 ceph_disk tests