diff --git a/src/bootstrap_gui.cpp b/src/bootstrap_gui.cpp
--- a/src/bootstrap_gui.cpp
+++ b/src/bootstrap_gui.cpp
@@ -66,7 +66,7 @@ public:
 /** Nested widgets for the download window. */
 static const NWidgetPart _nested_boostrap_download_status_window_widgets[] = {
 	NWidget(WWT_CAPTION, COLOUR_GREY), SetDataTip(STR_CONTENT_DOWNLOAD_TITLE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
-	NWidget(WWT_PANEL, COLOUR_GREY, NCDSWW_BACKGROUND),
+	NWidget(WWT_PANEL, COLOUR_GREY, WID_NCDS_BACKGROUND),
 		NWidget(NWID_SPACER), SetMinimalSize(350, 0), SetMinimalTextLines(3, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 30),
 	EndContainer(),
 };