diff --git a/web/app/assets/javascripts/everywhere/everywhere.js b/web/app/assets/javascripts/everywhere/everywhere.js
index 71392a7e9..2af34de2c 100644
--- a/web/app/assets/javascripts/everywhere/everywhere.js
+++ b/web/app/assets/javascripts/everywhere/everywhere.js
@@ -93,15 +93,18 @@
   // wait 10 seconds
   function checkAudioStopped() {
 
-    context.jamClient.ResetPageCounters();
+    if(context.jamClient.ResetPageCounters) {
+      // upgrade concern
+      context.jamClient.ResetPageCounters();
 
-    context.JK.AudioStopTimeout = setTimeout(function() {
+      context.JK.AudioStopTimeout = setTimeout(function() {
 
-      if(context.jamClient.IsAudioStarted()) {
-        logger.debug("checkAudioStopped: stopping audio ...")
-        context.jamClient.StopAudio();
-      }
-    }, 10000);
+        if(context.jamClient.IsAudioStarted()) {
+          logger.debug("checkAudioStopped: stopping audio ...")
+          context.jamClient.StopAudio();
+        }
+      }, 10000);
+    }
   }
 
 })(window, jQuery);
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