diff --git a/_includes/sidebar.html b/_includes/sidebar.html
index 762202aab7b..aa233d060c4 100644
--- a/_includes/sidebar.html
+++ b/_includes/sidebar.html
@@ -25,9 +25,14 @@
       {% endif %}
     {% endfor %}
 
-    <a class="sidebar-nav-item" href="{{ site.github.repo }}/archive/v{{ site.version }}.zip">Download</a>
-    <a class="sidebar-nav-item" href="{{ site.github.repo }}">GitHub project</a>
-    <span class="sidebar-nav-item">Currently v{{ site.version }}</span>
+    {% if site.github.repo != null %}
+      <a class="sidebar-nav-item" href="{{ site.github.repo }}/archive/v{{ site.version }}.zip">Download</a>
+      <a class="sidebar-nav-item" href="{{ site.github.repo }}">GitHub project</a>
+    {% endif %}
+    
+    {% if site.version != null %}
+      <span class="sidebar-nav-item">Currently v{{ site.version }}</span>
+    {% endif %}
   </nav>
 
   <div class="sidebar-item">