diff --git a/setup.cfg b/setup.cfg
index 707dcb1..1a0a484 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,7 @@ url = https://github.com/editorconfig-checker/editorconfig-checker.python
 author = Marco M.
 author_email = mmicu.github00@gmail.com
 license = MIT
-license_file = LICENSE
+license_files = LICENSE
 classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 2