diff --git a/forgejo_tailscale/docker-compose.yml b/forgejo_tailscale/docker-compose.yml
index df369fe..4335404 100644
--- a/forgejo_tailscale/docker-compose.yml
+++ b/forgejo_tailscale/docker-compose.yml
@@ -35,6 +35,7 @@ services:
       - USER_GID=1000
       - APP_NAME=${APP_NAME}
       - FORGEJO__server__ROOT_URL=https://${FORGEJO_HOSTNAME}
+      - FORGEJO__server__SSH_DOMAIN=${FORGEJO_HOSTNAME}
       # Prevent the installation wizard from running
       - FORGEJO__security__INSTALL_LOCK=true
       # Do we allow new signups?