Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r9d924ec76ce770eb2a94088bfe37bfb0e30981a8 -r1683e61e4d2293b48f3776d8f2b057e051c1fbff
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 9d924ec76ce770eb2a94088bfe37bfb0e30981a8)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 1683e61e4d2293b48f3776d8f2b057e051c1fbff)
@@ -2031,7 +2031,7 @@
 void handleUICheckIn( MESSAGE_T *message )
 {
 
-    if ( message->hdr.payloadLen == 0 )
+    if ( message->hdr.payloadLen == sizeof( U32 ) )
     {
         checkInFromUI();
     }