diff --git a/docker-compose.yml b/docker-compose.yml
index 7579a94..c181710 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ services:
     container_name: portainer
     restart: unless-stopped
     ports:
-      - "${PORTAINER_HTTPS_PORT:-9443}:9443"   # web UI (HTTPS)
+      - "${PORTAINER_HTTPS_PORT:-90}:9443"   # web UI (HTTPS)
       # - "8000:8000"                          # edge agents (optional)
       # - "9000:9000"                          # legacy HTTP: avoid, conflicts with the deployer
     volumes: