diff --git a/setup.cfg b/setup.cfg
index 45887f8fde5f29fe7023c18452b52a0c3ed97205..4d7d37c4d2f230a840262312924bdd007711c28b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [metadata]
-description-file = README.md
+description_file = README.md
 
 [flake8]
 ignore =