diff --git a/index.js b/index.js
index 5030a15..8c1e55c 100644
--- a/index.js
+++ b/index.js
@@ -210,7 +210,7 @@ function showImages(word) {
     for (let i = 0 ; i < tmp_tabl.length; i++) {
         let imagepath = prefix + "images/" + tmp_tabl[i] + ".png";
         let letterpath = prefix + "letters/" + tmp_tabl[i] + ".png";
-        let audiopath = prefix + "audio/" + tmp_tabl[i] + ".ogg";
+        let audiopath = prefix + "audio/" + tmp_tabl[i] + ".mp3";
         
         images.push(
             "<div returntarget=\"" + ranid + "\" ranid=\"" + ranid + "\" ondrop=\"drop(event)\" ondragover=\"allowDrop(event)\" id=\"imageholderak" + ranid + "\" datacode=\"" + tmp_tabl[i] + "\" class=\"place originalplace grid-item holderak imageholderak\">" +