diff --git a/service2.js b/service2.js
index c554ac4..032228c 100644
--- a/service2.js
+++ b/service2.js
@@ -31,9 +31,7 @@ class BesService {
     this.onScroll = this.onScroll.bind(this)
     this.hostElement.addEventListener('scroll', this.onScroll)
 
-    this.resizeObserver = new ResizeObserver(() => {
-      this.onResize()
-    })
+    this.resizeObserver = new ResizeObserver(this.onResize.bind(this))
     this.resizeObserver.observe(this.hostElement)
 
     besServices.push(this)