diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e2296e6..c48f3c2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -30,7 +30,7 @@ jobs:
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8
       run: |
-        flake8  **/*.py --count --max-complexity=12 --max-line-length=127 --statistics
+        flake8  src/**/*.py --count --max-complexity=12 --max-line-length=127 --statistics
     - name: Run unit tests
       run: |
         pip install pytest