diff --git a/admin.php b/admin.php
index 67c067a7..f7384f4d 100644
--- a/admin.php
+++ b/admin.php
@@ -429,7 +429,7 @@ class AdminPlugin extends Plugin
         $ext = '.' . ($format ? $format : 'html') . TWIG_EXT;
 
         $twig->twig_vars['location'] = $this->template;
-        $twig->twig_vars['base_url_relative_frontend'] = $twig->twig_vars['base_url_relative'] ?: '';
+        $twig->twig_vars['base_url_relative_frontend'] = $twig->twig_vars['base_url_relative'] ?: '/';
         $twig->twig_vars['admin_route'] = trim($this->config->get('plugins.admin.route'), '/');
         $twig->twig_vars['base_url_relative'] =
             $twig->twig_vars['base_url_simple'] . '/' . $twig->twig_vars['admin_route'];
diff --git a/themes/grav/templates/partials/base.html.twig b/themes/grav/templates/partials/base.html.twig
index 468e46c6..3b7d127d 100644
--- a/themes/grav/templates/partials/base.html.twig
+++ b/themes/grav/templates/partials/base.html.twig
@@ -13,7 +13,7 @@
         <meta name="robots" content="{{ header.robots }}">
     {% endif %}
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <link rel="icon" type="image/png" href="{{ base_url_relative_frontend }}{{ theme_url }}/images/favicon.png">
+    <link rel="icon" type="image/png" href="{{ base_url_simple }}{{ theme_url }}/images/favicon.png">
 
     {% block stylesheets %}
         {% do assets.addCss(theme_url~'/css-compiled/nucleus.css') %}