diff --git a/Containers/apache/Caddyfile b/Containers/apache/Caddyfile
index bda4c44c..9b5362b1 100644
--- a/Containers/apache/Caddyfile
+++ b/Containers/apache/Caddyfile
@@ -15,7 +15,7 @@
 }
 
 https://{$ADDITIONAL_TRUSTED_DOMAIN}:443,
-http://${APACHE_HOST}:{$APACHE_PORT}, # For Collabora callback
+http://{$APACHE_HOST}:{$APACHE_PORT}, # For Collabora callback
 {$PROTOCOL}://{$NC_DOMAIN}:{$APACHE_PORT} {
     header -Server
     header -X-Powered-By