diff --git a/novnc/vnc.html b/novnc/vnc.html
index 4f27970d173fb9e3466ea58e3d45187c096092bf..b269026399cb2b6e587b13df0e63502f2f6c9078 100644
--- a/novnc/vnc.html
+++ b/novnc/vnc.html
@@ -336,10 +336,8 @@
             mozactionhint="Enter" tabindex="-1"></textarea>
     </div>
     <audio id="noVNC_bell">
-        <!--
-            <source src="app/sounds/bell.oga" type="audio/ogg">
-            <source src="app/sounds/bell.mp3" type="audio/mpeg">
-        -->
+        <source src="app/sounds/bell.oga" type="audio/ogg">
+        <source src="app/sounds/bell.mp3" type="audio/mpeg">
     </audio>
  </body>
 </html>