diff --git a/web_src/css/repo/wiki.css b/web_src/css/repo/wiki.css
index bb6f36455..ba502d321 100644
--- a/web_src/css/repo/wiki.css
+++ b/web_src/css/repo/wiki.css
@@ -21,6 +21,7 @@
 
 .repository.wiki .wiki-content-parts .markup {
   border: 1px solid var(--color-secondary);
+  border-radius: var(--border-radius);
   padding: 1em;
   margin-top: 1em;
   font-size: 1em;