diff --git a/src/order_gui.cpp b/src/order_gui.cpp
--- a/src/order_gui.cpp
+++ b/src/order_gui.cpp
@@ -266,9 +266,9 @@ void DrawOrderString(const Vehicle *v, c
 			if (timetable) {
 				SetDParam(3, STR_EMPTY);
 
-				if (order->wait_time > 0) {
+				if (order->GetWaitTime() > 0) {
 					SetDParam(5, STR_TIMETABLE_STAY_FOR);
-					SetTimetableParams(6, 7, order->wait_time);
+					SetTimetableParams(6, 7, order->GetWaitTime());
 				}
 			} else {
 				SetDParam(3, (order->GetNonStopType() & ONSF_NO_STOP_AT_DESTINATION_STATION) ? STR_EMPTY : _station_load_types[order->IsRefit()][unload][load]);
@@ -334,9 +334,9 @@ void DrawOrderString(const Vehicle *v, c
 				SetDParam(4, value);
 			}
 
-			if (timetable && order->wait_time > 0) {
+			if (timetable && order->GetWaitTime() > 0) {
 				SetDParam(5, STR_TIMETABLE_AND_TRAVEL_FOR);
-				SetTimetableParams(6, 7, order->wait_time);
+				SetTimetableParams(6, 7, order->GetWaitTime());
 			} else {
 				SetDParam(5, STR_EMPTY);
 			}