diff --git a/themes/grav/templates/partials/userinfo-avatar.html.twig b/themes/grav/templates/partials/userinfo-avatar.html.twig
index 98b46313..7acdb3bb 100644
--- a/themes/grav/templates/partials/userinfo-avatar.html.twig
+++ b/themes/grav/templates/partials/userinfo-avatar.html.twig
@@ -1,5 +1,5 @@
 {% if data.avatar %}
     <label><img src="{{ base_url_simple ~ '/' ~ (data.avatar|first).path }}" /></label>
 {% else %}
-    <label><img src="https://www.gravatar.com/avatar/{{ data.email|md5 }}?s=200" /></label>
+    <label><img referrerpolicy="no-referrer" src="https://www.gravatar.com/avatar/{{ data.email|md5 }}?s=200" /></label>
 {% endif %}
\ No newline at end of file