diff --git a/setup.cfg b/setup.cfg
index 40a8157..bdae69e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,7 @@
 [wheel]
 universal = 1
 
-[pytest]
+[tool:pytest]
 flake8-ignore =
     *.py E731 E402
     pygal/__init__.py F401