diff --git a/setup.cfg b/setup.cfg
index 2b9d909..046013e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -4,7 +4,7 @@ version = attr: dsmtpd.__version__
 url = https://github.com/matrixise/dsmtpd
 description = Simple SMTP Server for debugging
 long_description = file: README.rst, CHANGES.rst
-long_description_content_type = "text/x-rst"
+long_description_content_type = text/x-rst
 author = Stéphane Wirtel
 author_email = stephane@wirtel.be
 license = BSD
@@ -34,4 +34,4 @@ console_scripts =
     dsmtpd = dsmtpd.__main__:main
 
 [bdist_wheel]
-universal = 0
\ No newline at end of file
+universal = 0