diff --git a/setup.cfg b/setup.cfg
index 786886bfd..ca9c4b0c0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [metadata]
-description-file = installation.rst
+description_file = installation.rst
 license_file = LICENSE
 
 [tool:pytest]