diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dac78abe1..de6835870 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,7 +80,7 @@ jobs:
         name: Codestyle
         run: |
           cd src/
-          pycodestyle
+          pycodestyle --max-line-length=88
   codeformatting:
     runs-on: ubuntu-20.04
     steps: