diff --git a/zap/docker-compose.yml b/zap/docker-compose.yml
index 27fcf4a..9e82e8c 100644
--- a/zap/docker-compose.yml
+++ b/zap/docker-compose.yml
@@ -3,7 +3,7 @@ services:
     image: ghcr.io/zaproxy/zaproxy:stable
     container_name: zap-webswing
     ports:
-      - "${ZAP_GUI_PORT}:8080"   # Webswing GUI
+      - "${ZAP_UI_PORT}:8080"   # Webswing GUI
       - "${ZAP_API_PORT}:9090"   # ZAP API
     volumes:
       - "${ZAP_WORK_DIR}:/zap/wrk:rw"