diff --git a/lib/helper/Appium.js b/lib/helper/Appium.js
index d0b1b1444..59e67fe48 100644
--- a/lib/helper/Appium.js
+++ b/lib/helper/Appium.js
@@ -913,7 +913,7 @@ class Appium extends WebdriverIO {
     const browser = this.browser;
     let err = false;
     let currentSource;
-    return browser.waitUntil(function () {
+    return browser.waitUntil(() => {
       if (err) {
         return new Error(`Scroll to the end and element ${searchableLocator} was not found`);
       }