diff --git a/templates/settings.docker.php.twig b/templates/settings.docker.php.twig
index f940423970fe11c435b61537c0bebf470c8742c8..5e7fcd85b3084e1a19465cf756dc39789bd6d98d 100644
--- a/templates/settings.docker.php.twig
+++ b/templates/settings.docker.php.twig
@@ -6,7 +6,7 @@ $settings['reverse_proxy'] = TRUE;
 $settings['reverse_proxy_addresses'] = array("{{ docker0.proxy }}");
 {% endif %}
 $settings['trusted_host_patterns'] = array(
-  '^{{ projectname }}\.docker\.localhost$',
+  '^{{ projectname }}\.{{ traefik.domain|replace({".": "\\."}) }}$',
   '^{{ webserver.type }}$',
 {% for domain in extradomains|default([]) %}
   '^{{ domain|replace({".": "\\."}) }}$',