diff --git a/12/index.html b/12/index.html
index a4b851d..e89ae0d 100644
--- a/12/index.html
+++ b/12/index.html
@@ -104,7 +104,7 @@
     </div>
     <div class="audio_05">
       <audio controls>
-        <source src="http://echo.lurk.org:999/radioimplicancies.ogg" type="audio/ogg">
+        <source src="https://echo.lurk.org:999/radioimplicancies.ogg" type="audio/ogg">
         <track default kind="captions"
                srclang="en"
                src="archive_12.1.5.vtt"/>