diff --git a/website/agenda/templates/default/aura.xml b/website/agenda/templates/default/aura.xml
index f31df4f..3d070ae 100644
--- a/website/agenda/templates/default/aura.xml
+++ b/website/agenda/templates/default/aura.xml
@@ -33,12 +33,12 @@ Content-type:application/rss+xml; charset=UTF-8
           <media>
               <TMPL_IF NAME="archive_url"> 
                 <playable>
-                  <audio src="<TMPL_VAR archive_url>"/>
+                  <audio src="https://<TMPL_VAR archive_url>"/>
                 </playable>
               </TMPL_IF>
               <TMPL_IF NAME="podcast_url"> 
                 <playable>
-                  <audio src="<TMPL_VAR podcast_url>"/>
+                  <audio src="https://<TMPL_VAR podcast_url>"/>
                 </playable>
               </TMPL_IF>
           </media>