diff --git a/docker/docker-compose.env b/docker/docker-compose.env
index 821a88a..e6cb151 100644
--- a/docker/docker-compose.env
+++ b/docker/docker-compose.env
@@ -112,6 +112,7 @@ WEBUI_PORT_SONARR=8989
 WEBUI_PORT_SABNZBD=8100
 WEBUI_PORT_WHISPARR=6969
 WEBUI_PORT_JACKET=9117
+WEBUI_PORT_CALIBRE_WEB=8083
 
 # SWAG is configured for Reverse Proxy. Set your Internet gateway to redirect incoming ports 80 and 443
 # to the ports used below (using Docker IP Address), and they will be translated back to 80 and 443 by SWAG.