diff --git a/src/timetable_gui.cpp b/src/timetable_gui.cpp
--- a/src/timetable_gui.cpp
+++ b/src/timetable_gui.cpp
@@ -650,6 +650,7 @@ static const NWidgetPart _nested_timetab
 		NWidget(WWT_CAPTION, COLOUR_GREY, WID_VT_CAPTION), SetDataTip(STR_TIMETABLE_TITLE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
 		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, WID_VT_ORDER_VIEW), SetMinimalSize(61, 14), SetDataTip( STR_TIMETABLE_ORDER_VIEW, STR_TIMETABLE_ORDER_VIEW_TOOLTIP),
 		NWidget(WWT_SHADEBOX, COLOUR_GREY),
+		NWidget(WWT_DEFSIZEBOX, COLOUR_GREY),
 		NWidget(WWT_STICKYBOX, COLOUR_GREY),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),