diff --git a/web_src/css/repo/wiki.css b/web_src/css/repo/wiki.css
index 84af37fa2..1302e9cb5 100644
--- a/web_src/css/repo/wiki.css
+++ b/web_src/css/repo/wiki.css
@@ -13,7 +13,10 @@
 
 .repository.wiki .markup {
   overflow: visible;
-  min-height: 340px;
+}
+
+.repository.wiki .markup[data-tab-panel="markdown-previewer"] {
+  min-height: 340px; /* This height matches the markdown editor's height */
 }
 
 .repository.wiki .wiki-content-parts .markup {