diff --git a/user/config/system.yaml b/user/config/system.yaml
index 21dd89bf1..bbe2a3a3f 100644
--- a/user/config/system.yaml
+++ b/user/config/system.yaml
@@ -5,7 +5,8 @@ home:
 
 pages:
   theme: antimatter
-  markdown_extra: false
+  markdown:
+    extra: false
   process:
     markdown: true
     twig: false