diff --git a/apache/server/site/horizon.yml b/apache/server/site/horizon.yml
index 4cf7820..5cfca1e 100644
--- a/apache/server/site/horizon.yml
+++ b/apache/server/site/horizon.yml
@@ -7,6 +7,8 @@
     apache_horizon_api_host: ${linux:network:fqdn}
   apache:
     server:
+      bind:
+        listen_default_ports: false
       enabled: true
       default_mpm: event
       modules: