diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5822113..8c54d1e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,7 +18,7 @@ test:
   script:
     - poetry run isort src tests --check
     - poetry run black src tests --check
-    - poetry run flake8
+    - poetry run flake8 src tests
     - poetry run pytest
     - poetry run coverage run --source=pricehist -m pytest
     - poetry run coverage report
diff --git a/Makefile b/Makefile
index 130c0f0..e219af0 100644
--- a/Makefile
+++ b/Makefile
@@ -34,4 +34,4 @@ install-pre-commit-hook: ## Install the git pre-commit hook
 pre-commit: ## Checks to run before each commit
 	poetry run isort src tests --check
 	poetry run black src tests --check
-	poetry run flake8
+	poetry run flake8 src tests