diff --git a/app/assets/javascripts/jamkazam.js b/app/assets/javascripts/jamkazam.js
index fe61aac1d..68698db3d 100644
--- a/app/assets/javascripts/jamkazam.js
+++ b/app/assets/javascripts/jamkazam.js
@@ -21,7 +21,7 @@
         var logger = context.JK.logger;
         var heartbeatInterval=null;
         var heartbeatMS=null;
-        var heartbeatMissedMS=5000; // if 5 seconds go by and we haven't seen a heartbeat ack, get upset
+        var heartbeatMissedMS= 10000; // if 5 seconds go by and we haven't seen a heartbeat ack, get upset
         var inBadState=false;
         var lastHeartbeatAckTime=null;
         var heartbeatAckCheckInterval = null;