diff --git a/src/widgets/timetable_widget.h b/src/widgets/timetable_widget.h
--- a/src/widgets/timetable_widget.h
+++ b/src/widgets/timetable_widget.h
@@ -13,22 +13,22 @@
 #define WIDGETS_TIMETABLE_WIDGET_H
 
 /** Widgets of the WC_VEHICLE_TIMETABLE. */
-enum TimetableViewWindowWidgets {
-	TTV_CAPTION,
-	TTV_ORDER_VIEW,
-	TTV_TIMETABLE_PANEL,
-	TTV_ARRIVAL_DEPARTURE_PANEL,      ///< Panel with the expected/scheduled arrivals
-	TTV_SCROLLBAR,
-	TTV_SUMMARY_PANEL,
-	TTV_START_DATE,
-	TTV_CHANGE_TIME,
-	TTV_CLEAR_TIME,
-	TTV_RESET_LATENESS,
-	TTV_AUTOFILL,
-	TTV_EXPECTED,                    ///< Toggle between expected and scheduled arrivals
-	TTV_SHARED_ORDER_LIST,           ///< Show the shared order list
-	TTV_ARRIVAL_DEPARTURE_SELECTION, ///< Disable/hide the arrival departure panel
-	TTV_EXPECTED_SELECTION,          ///< Disable/hide the expected selection button
+enum TimetableViewWidgets {
+	WID_TV_CAPTION,                     ///< Caption of the window.
+	WID_TV_ORDER_VIEW,                  ///< Order view.
+	WID_TV_TIMETABLE_PANEL,             ///< Timetable panel.
+	WID_TV_ARRIVAL_DEPARTURE_PANEL,     ///< Panel with the expected/scheduled arrivals.
+	WID_TV_SCROLLBAR,                   ///< Scrollbar for the panel.
+	WID_TV_SUMMARY_PANEL,               ///< Summary panel.
+	WID_TV_START_DATE,                  ///< Start date button.
+	WID_TV_CHANGE_TIME,                 ///< Change time button.
+	WID_TV_CLEAR_TIME,                  ///< Clear time button.
+	WID_TV_RESET_LATENESS,              ///< Reset lateness button.
+	WID_TV_AUTOFILL,                    ///< Autofill button.
+	WID_TV_EXPECTED,                    ///< Toggle between expected and scheduled arrivals.
+	WID_TV_SHARED_ORDER_LIST,           ///< Show the shared order list.
+	WID_TV_ARRIVAL_DEPARTURE_SELECTION, ///< Disable/hide the arrival departure panel.
+	WID_TV_EXPECTED_SELECTION,          ///< Disable/hide the expected selection button.
 };
 
 #endif /* WIDGETS_TIMETABLE_WIDGET_H */