diff --git a/12/index3.html b/12/index3.html
index aff900d..7777551 100644
--- a/12/index3.html
+++ b/12/index3.html
@@ -52,7 +52,7 @@ Radio Implicancies is a weekly broadcast of recorded and live matter brought to
   </ul> 
   <div class="audio_01">
     <audio controls>
-  	<source src="archive_12.1.4.ogg" type="audio/ogg">
+  	<source src="archive_12.1.3.mp3" type="audio/mp3">
   		    <track default kind="captions"
            srclang="en"
            src="archive_12.1.3.vtt"/>