Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r19f13e67288117e7f81c1245a75cc6b5f8aaf899 -rfcb0c81a4fa024c3ed45f6308c11e3c51252e9c4
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 19f13e67288117e7f81c1245a75cc6b5f8aaf899)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision fcb0c81a4fa024c3ed45f6308c11e3c51252e9c4)
@@ -2064,7 +2064,7 @@
 void handleUICheckIn( MESSAGE_T *message )
 {
 
-    if ( message->hdr.payloadLen == 0 )
+    if ( message->hdr.payloadLen == sizeof( U32 ) )
     {
         checkInFromUI();
     }