diff --git a/index.js b/index.js
index 753741d..b68a191 100644
--- a/index.js
+++ b/index.js
@@ -374,7 +374,7 @@ async function getButtons(page, elementList){
   let buttons = await page.$$('button');
   let button;
   for (let i = 0; i < buttons.length ; i++ ){
-    let disabled = page.evaluate((btn)=>{
+    let disabled = await page.evaluate((btn)=>{
       return typeof btn.getAttribute("disabled") === "string" || btn.getAttribute("aria-disabled") === "true";
     }, buttons[i]);
     if(!disabled){