diff --git a/templates/base/head_navbar.tmpl b/templates/base/head_navbar.tmpl
index 059363b72d..10bbf655b5 100644
--- a/templates/base/head_navbar.tmpl
+++ b/templates/base/head_navbar.tmpl
@@ -18,9 +18,9 @@
 				</span>
 			</a>
 			{{end}}
-			<div class="ui icon button mobile-only" id="navbar-expand-toggle">
+			<button class="ui icon button mobile-only" id="navbar-expand-toggle">
 				{{svg "octicon-three-bars"}}
-			</div>
+			</button>
 		</div>
 	</div>