--- a/console_cmds.c	Sat Sep 09 08:30:12 2006 +0000
+++ b/console_cmds.c	Sat Sep 09 22:15:19 2006 +0000
@@ -164,6 +164,10 @@
 	if (argc == 2) {
 		uint32 result;
 		if (GetArgumentInteger(&result, argv[1])) {
+			if (result >= MapSize()) {
+				IConsolePrint(_icolour_err, "Tile does not exist");
+				return true;
+			}
 			ScrollMainWindowToTile((TileIndex)result);
 			return true;
 		}