Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r39677168af0080bcab76ef65ef90875f830e1913 -rf249310122b6543b4145bb4824966535c93515d0
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 39677168af0080bcab76ef65ef90875f830e1913)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision f249310122b6543b4145bb4824966535c93515d0)
@@ -3504,11 +3504,15 @@
  * mode
  * @details Inputs: none
  * @details Outputs: none
+ * @param message a pointer to the message to handle
  * @return none
  *************************************************************************/
-void handleReceiveROPermeateSampleReadyToDispenseFromDG( void )
+void handleReceiveROPermeateSampleReadyToDispenseFromDG( MESSAGE_T* message )
 {
-    signalROPermeateSampleDGReadyToDispense();
+    if ( 0 == message->hdr.payloadLen )
+    {
+        signalROPermeateSampleDGReadyToDispense();
+    }
 }