diff --git a/docker-compose.yml b/docker-compose.yml
index a602f3c4..a8de4d07 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,7 @@ services:
       - $PWD/cert/:/root/cert/
     environment:
       XRAY_VMESS_AEAD_FORCED: "false"
-      X_UI_ENABLE_FAIL2BAN: "true"
+      XUI_ENABLE_FAIL2BAN: "true"
     tty: true
     network_mode: host
     restart: unless-stopped