diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fe9d335..2e53c7e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,5 +22,5 @@ codestyle:
   - apt-get install -y --no-install-recommends python3-dev python3-pip python3-coverage python3-setuptools build-essential
   - pip3 install wheel pycodestyle mypy
   - pip3 install -r requirements.txt
-  - pycodestyle matemat
+  - pycodestyle --ignore=E501 matemat
   - mypy matemat