diff --git a/Makefile b/Makefile
index 3971e8c..6f298b4 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ check-outdated:
 	$(PIP) list --outdated --format=columns
 
 test:
-	$(PYTHON) -m pytest tests.py --flake8 --isort --cov=afpy --cov=tests --cov-report=term-missing
+	$(PYTHON) -m pytest --flake8 --isort --cov=afpy --cov=tests --cov-report=term-missing
 
 serve:
 	env FLASK_APP=afpy.py FLASK_ENV=development $(FLASK) run