diff --git a/setup.cfg b/setup.cfg
index f842dcb7de..43d9588bfa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -3,7 +3,7 @@ name = python-openstackclient
 summary = OpenStack Command-line Client
 description_file =
     README.rst
-description-content-type = text/x-rst
+description_content_type = text/x-rst
 author = OpenStack
 author_email = openstack-discuss@lists.openstack.org
 home_page = https://docs.openstack.org/python-openstackclient/latest/