diff --git a/setup.cfg b/setup.cfg
index 151f5e6..78f6d64 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,6 +8,6 @@ release = egg_info -RDb ''
 [upload_docs]
 upload_dir = build/sphinx/html
 
-[pytest]
+[tool:pytest]
 # do not search for tests in build directory
 norecursedirs = .* _* build