diff --git a/app/views/shared/_navigation.html.erb b/app/views/shared/_navigation.html.erb
index dc295e203..f6c330f7b 100644
--- a/app/views/shared/_navigation.html.erb
+++ b/app/views/shared/_navigation.html.erb
@@ -3,12 +3,14 @@
 
     <!-- header -->
     <div class="navbar-header">
-      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#main-menu" aria-expanded="false">
-        <span class="sr-only">Toggle navigation</span>
-        <span class="icon-bar"></span>
-        <span class="icon-bar"></span>
-        <span class="icon-bar"></span>
-      </button>
+      <% if user_signed_in? %>
+        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#main-menu" aria-expanded="false">
+          <span class="sr-only">Toggle navigation</span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+          <span class="icon-bar"></span>
+        </button>
+      <% end %>
       <%= link_to(root_path, class: 'navbar-brand', title: t('nav.label.scinote')) do %>
         <%= image_tag('/images/scinote_icon.svg', id: 'logo') %>
       <% end %>