diff --git a/setup.cfg b/setup.cfg
index acf89f27a..388361d92 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [metadata]
-description-file = README.md
+description_file = README.md
 
 [options.data_files]
 . = requirements.txt