diff --git a/templates/repo/wiki/view.tmpl b/templates/repo/wiki/view.tmpl
index ee9a3b2142..b6efa96a01 100644
--- a/templates/repo/wiki/view.tmpl
+++ b/templates/repo/wiki/view.tmpl
@@ -63,7 +63,7 @@
 				<p>{{.FormatWarning}}</p>
 			</div>
 		{{end}}
-		<div class="ui gt-mt-0 {{if or .sidebarPresent .sidebarTocContent}}grid equal width{{end}}">
+		<div class="ui gt-mt-0 {{if or .sidebarPresent .sidebarTocContent}}mobile reversed stackable grid equal width{{end}}">
 			<div class="ui {{if or .sidebarPresent .sidebarTocContent}}eleven wide column{{else}}gt-ml-0{{end}} segment markup wiki-content-main">
 				{{template "repo/unicode_escape_prompt" dict "EscapeStatus" .EscapeStatus "root" $}}
 				{{.content | Safe}}