diff --git a/models/Example29_Gantt_Chart.mp b/models/Example29_Gantt_Chart.mp
index e0caca67c9c937bd32ac9ccaecaf1d25d7626cfb..748e55c526b052f67a0eb3d22a30dcc57f288a9d 100644
--- a/models/Example29_Gantt_Chart.mp
+++ b/models/Example29_Gantt_Chart.mp
@@ -66,7 +66,7 @@ BAR CHART gantt_2 { TITLE("Example of Gantt Chart");
 	ROTATE; /* to place the X_AXIS vertical */
 };
 
-COORDINATE $e: $$EVENT
+COORDINATE <SORT> $e: $$ATOM
 	DO 	/* add this event to the Table */ 
 		gantt_1 		<|
 			event_name: 	SAY($e),