diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1ce49938..013a89c2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
           pip install -r requirements.txt -r requirements-dev.txt
 
       - name: Check formatting
-        run: ruff format --check src tests
+        run: ruff format --check src tests/antares
 
       - name: Check typing
         run: |