diff --git a/src/tracerestrict_gui.cpp b/src/tracerestrict_gui.cpp
index b45e2aa123..d7cab3b525 100644
--- a/src/tracerestrict_gui.cpp
+++ b/src/tracerestrict_gui.cpp
@@ -3593,6 +3593,7 @@ static const NWidgetPart _nested_slot_widgets[] = {
 				NWidget(WWT_MATRIX, COLOUR_GREY, WID_TRSL_LIST_VEHICLE), SetMinimalSize(248, 0), SetMatrixDataTip(1, 0, STR_VEHICLE_LIST_TRAIN_LIST_TOOLTIP), SetResize(1, 1), SetFill(1, 0), SetScrollbar(WID_TRSL_LIST_VEHICLE_SCROLLBAR),
 				NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_TRSL_LIST_VEHICLE_SCROLLBAR),
 			EndContainer(),
+			NWidget(WWT_PANEL, COLOUR_GREY), SetMinimalSize(1, 0), SetFill(1, 1), SetResize(1, 0), EndContainer(),
 			NWidget(NWID_HORIZONTAL),
 				NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), SetResize(1, 0), EndContainer(),
 				NWidget(WWT_RESIZEBOX, COLOUR_GREY),