diff --git a/swarm/openwebui.yml b/swarm/openwebui.yml
index 2af3d1a..9f8e800 100644
--- a/swarm/openwebui.yml
+++ b/swarm/openwebui.yml
@@ -8,6 +8,7 @@ services:
     environment:
       - DOMAIN=${DOMAIN}
       - OPEN_WEBUI_PORT=${OPEN_WEBUI_PORT:-8080}
+      - WEBUI_URL=http://localhost:${OPEN_WEBUI_PORT}
       - ENABLE_OLLAMA_API=${ENABLE_OLLAMA_API-false}
     volumes:
       - /var/data/open-webui:/app/backend/data