diff --git a/javascript/freepost.js b/javascript/freepost.js
index df13829..ee401d7 100644
--- a/javascript/freepost.js
+++ b/javascript/freepost.js
@@ -104,7 +104,7 @@ document.addEventListener ('DOMContentLoaded', function() {
      *   - votes sum
      *   - down arrow
      */
-    let vote_sections = document.getElementsByClassName ('vote');
+    let vote_sections = document.querySelectorAll ('.vote');
     
     // Bind vote() event to up/down vote arrows
     for (let i = 0; i < vote_sections.length; i++)