diff --git a/vue.config.js b/vue.config.js
index 28289739d..7465664f6 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -51,7 +51,7 @@ module.exports = {
         changeOrigin: true
       },
       '/ws/': {
-        target: process.env.VUE_APP_CORE_WS || 'ws://1237.0.0.1:8080',
+        target: process.env.VUE_APP_CORE_WS || 'ws://127.0.0.1:8080',
         changeOrigin: true,
         ws: true
       },