diff --git a/roles/setup-http-site-proxy/templates/apache-docker-proxy-site.j2 b/roles/setup-http-site-proxy/templates/apache-docker-proxy-site.j2
index 55dc711..022b0e2 100644
--- a/roles/setup-http-site-proxy/templates/apache-docker-proxy-site.j2
+++ b/roles/setup-http-site-proxy/templates/apache-docker-proxy-site.j2
@@ -39,6 +39,7 @@
     SSLCertificateKeyFile {{dehydrated_certs_dir}/{{ site_name }}/privkey.pem
     SSLCertificateChainFile {{dehydrated_certs_dir}/{{ site_name }}/chain.pem
 
+<% if proxy_port %>
     AllowEncodedSlashes NoDecode
     ProxyPass / http://{{ backend_host | default("localhost") }}:{{proxy_port}}/ nocanon
     RequestHeader set "X-Forwarded-Proto" expr=%{REQUEST_SCHEME}
@@ -51,6 +52,9 @@
         RewriteCond %{HTTP:Connection} upgrade [NC]
         RewriteRule ^/?(.*) "ws://{{ backend_host | default("localhost") }}:{{ proxy_port }}/$1" [P,L]
     </ifmodule>
+<% else %>
+    Redirect 404 /
+< %endif %>
 </VirtualHost>
 </IfFile>
 </IfFile>