diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3d7d352..7d58347 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 --ignore=E501 matemat
+  - pycodestyle matemat
   - mypy --ignore-missing-imports --strict -p matemat
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..62acd3a
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,3 @@
+[pycodestyle]
+max-line-length = 120
+statistics = True