diff --git a/src/timetable_cmd.cpp b/src/timetable_cmd.cpp
index 270e399ddd..c2d800e28d 100644
--- a/src/timetable_cmd.cpp
+++ b/src/timetable_cmd.cpp
@@ -653,7 +653,7 @@ void UpdateVehicleTimetable(Vehicle *v, bool travelling)
 		 * the timetable entry like is done for road vehicles/ships.
 		 * Thus always make sure at least one tick is used between the
 		 * processing of different orders when filling the timetable. */
-		uint time_to_set = CeilDiv(max(time_taken, 1U), DATE_UNIT_SIZE) * DATE_UNIT_SIZE;
+		uint time_to_set = CeilDiv(max(time_taken, 1U), DAY_TICKS) * DAY_TICKS;
 
 		if (travelling && (autofilling || !real_current_order->IsTravelTimetabled())) {
 			ChangeTimetable(v, v->cur_real_order_index, time_to_set, MTF_TRAVEL_TIME, autofilling);