--- a/waypoint.c	Thu May 25 20:58:23 2006 +0000
+++ b/waypoint.c	Sat May 27 16:12:16 2006 +0000
@@ -17,6 +17,7 @@
 #include "variables.h"
 #include "table/strings.h"
 #include "vehicle.h"
+#include "yapf/yapf.h"
 
 enum {
 	/* Max waypoints: 64000 (8 * 8000) */
@@ -303,6 +304,7 @@
 		} else {
 			DoClearSquare(tile);
 			SetSignalsOnBothDir(tile, GetRailWaypointTrack(tile));
+			YapfNotifyTrackLayoutChange(tile, GetRailWaypointTrack(tile));
 		}
 	}