--- a/order_cmd.c	Wed Dec 14 14:38:23 2005 +0000
+++ b/order_cmd.c	Wed Dec 14 15:54:23 2005 +0000
@@ -395,7 +395,7 @@
 		/* Make sure to rebuild the whole list */
 		RebuildVehicleLists();
 
-		ai_event(_current_player, ottd_Event_GiveOrder, v->index);
+		ai_event(_current_player, ttai_Event_GiveOrder, v->index);
 	}
 
 	return 0;