diff --git a/podman-seafile/10_install.sh b/podman-seafile/10_install.sh
index 711603c..0e55d2b 100755
--- a/podman-seafile/10_install.sh
+++ b/podman-seafile/10_install.sh
@@ -34,6 +34,7 @@ export mariadb_release
 export memcached_release
 export listen_if
 export listen_port
+export listen_ws_port
 
 if ! podman image exists ${seafile_image}:${seafile_release}; then
     podman image pull ${seafile_image}:${seafile_release} || exit 1
diff --git a/podman-seafile/docker-compose.yml b/podman-seafile/docker-compose.yml
index 6943b32..2d308c3 100644
--- a/podman-seafile/docker-compose.yml
+++ b/podman-seafile/docker-compose.yml
@@ -18,6 +18,7 @@ services:
     container_name: seafile
     ports:
       - ${listen_if}:${listen_port}:80
+      - ${listen_if}:${listen_ws_port}:8083
     volumes:
       - seafile-data:/shared:Z
     environment:
diff --git a/podman-seafile/vars.sh b/podman-seafile/vars.sh
index 8fde934..9e2b6c0 100644
--- a/podman-seafile/vars.sh
+++ b/podman-seafile/vars.sh
@@ -7,6 +7,7 @@ seafile_release='10.0.1'
 ## default vars : override with ENV var
 listen_if="${GARBAYE_SEAFILE_ENV_LISTENIF:-127.0.0.1}"
 listen_port="${GARBAYE_SEAFILE_ENV_LISTENPORT:-8082}"
+let "listen_ws_port = ${listen_port} + 1"
 GARBAYE_SEAFILE_ADMIN_PASSWORD="${GARBAYE_SEAFILE_ENV_ADMIN_PASSWORD:-asecret}"
 ## mandatory ENV vars
 envvars='GARBAYE_SEAFILE_ADMIN_EMAIL GARBAYE_SEAFILE_SERVER_HOSTNAME GARBAYE_SEAFILE_MYSQL_ROOT_PASSWORD'