diff --git a/tangostationcontrol/tox.ini b/tangostationcontrol/tox.ini
index f833e34c7a6dbc874564c52defd4441f93e0fe16..50eaa6dbd949069fe1dab549660370165e074755 100644
--- a/tangostationcontrol/tox.ini
+++ b/tangostationcontrol/tox.ini
@@ -78,5 +78,5 @@ commands =
 [flake8]
 filename = *.py,.stestr.conf,.txt
 #ignore = E501,  W291, W293, W391, E201, E201, E202, E203, E221, E222, E225, E226, E231, E241, E251, E252, E261, E301, E302, E303, E305, E306, E401, E402, F403,
-select = W292,B601,B602,T100,M001,F401,B001,B002,B003,B004,B005,B006,B007,B008,B009,B010,B011,B012,B013,B014.B015,B016,B017,B018, F401, F402, F403, F404, F405, F811, F812, F821, F822
+select = W292,B601,B602,T100,M001,F401,B001,B002,B003,B004,B005,B006,B007,B008,B009,B010,B011,B012,B013,B014.B015,B016,B017,B018, F401, F402, F403, F404, F405, F811, F812, F821, F822, F823, F831
 exclude=.tox,.egg-info,libhdbpp-python