diff --git a/coldfront/templates/common/nonauthorized_navbar.html b/coldfront/templates/common/nonauthorized_navbar.html
index 2d62e4e28..bfaa00f64 100644
--- a/coldfront/templates/common/nonauthorized_navbar.html
+++ b/coldfront/templates/common/nonauthorized_navbar.html
@@ -4,7 +4,7 @@
   <div class="container">
     <a class="navbar-brand d-block d-sm-none text-primary" href="#">ColdFront</a>
 
-    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar-main">
+    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar-main" aria-expanded="false" aria-label="Toggle Navigation">
       <span class="navbar-toggler-icon"></span>
     </button>