diff --git a/setup.cfg b/setup.cfg
index 6207a6c53..21e1581d8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -59,6 +59,7 @@ markers =
     apidoc
     setup_command
     test_params
+testpaths = tests
 
 [coverage:run]
 branch = True