diff --git a/ci-build.sh b/ci-build.sh
index 3319384..58493f2 100755
--- a/ci-build.sh
+++ b/ci-build.sh
@@ -9,7 +9,7 @@ BUILD=${1:-ci-build}
 rm -rf ${BUILD}/
 mkdir -p $BUILD
 
-python3 -mpycodestyle --ignore E501,E741,E305 i3pystatus tests
+python3 -mpycodestyle --ignore E501,E741,E305,E722 i3pystatus tests
 
 # Check that the setup.py script works
 rm -rf ${BUILD}/test-install ${BUILD}/test-install-bin