diff --git a/src/scripts/api.ts b/src/scripts/api.ts
index 199839f81d..b5c479986e 100644
--- a/src/scripts/api.ts
+++ b/src/scripts/api.ts
@@ -296,8 +296,11 @@ export class ComfyApi extends EventTarget {
   constructor() {
     super()
     this.user = ''
-    this.api_host = location.host
-    this.api_base = location.pathname.split('/').slice(0, -1).join('/')
+    this.api_host = gloablThis.location.host
+    this.api_base = gloablThis.location.pathname
+      .split('/')
+      .slice(0, -1)
+      .join('/')
     console.log('Running on', this.api_host)
     this.initialClientId = sessionStorage.getItem('clientId')
   }