diff --git a/vc_zoom/setup.cfg b/vc_zoom/setup.cfg
index f8159d2..587c539 100644
--- a/vc_zoom/setup.cfg
+++ b/vc_zoom/setup.cfg
@@ -3,7 +3,7 @@ name = indico-plugin-vc-zoom
 version = 3.0rc1
 description = Zoom video-conferencing plugin for Indico
 long_description = file: README.md
-long_description_content_type = text/markdown; charset=UTF-8; variant=CommonMark
+long_description_content_type = text/markdown; charset=UTF-8; variant=GFM
 url = https://github.com/indico/indico-plugins
 license = MIT
 author = Giovanni Mariano (ENEA) and Indico Team (CERN)