diff --git a/templates/index.html b/templates/index.html
index 5d39636..ad7ec16 100755
--- a/templates/index.html
+++ b/templates/index.html
@@ -16,7 +16,7 @@
     <style>{{ data | safe }}</style>
 
     {% block seo -%}
-    {%- if config.extra.seo -%}
+    {%- if config.extra.seo or config.extra.seo is undefined -%}
 
       <meta property="og:site_name" content="{% block ogsitename %}{{config.title}}{% endblock ogsitename %}">
       {% if config.extra.author -%}
@@ -83,10 +83,10 @@
         </nav>
         {% endif %}
             <small>
-              {%- if config.extra.zola -%}Built with <a href="https://www.getzola.org/">Zola</a>{%- endif -%}
+              {%- if config.extra.zola or config.extra.zola is undefined -%}Built with <a href="https://www.getzola.org/">Zola</a>{%- endif -%}
               {%- if config.extra.netlify %} & hosted on <a href="https://netlify.com">Netlify</a>{%- endif -%}
-              {%- if config.extra.zola -%}.<br />{%- endif %}
-              {% if config.extra.maintained_with_love %}Maintained with &hearts; for the web.<br />{% endif %}
+              {%- if config.extra.zola or config.extra.zola is undefined -%}.<br />{%- endif %}
+              {% if config.extra.maintained_with_love or config.extra.maintained_with_love is undefined%}Maintained with &hearts; for the web.<br />{% endif %}
               {% if config.extra.footer_tagline %}{{ config.extra.footer_tagline }}{% endif %}
             </small>
       </footer>