diff --git a/src/signs_gui.cpp b/src/signs_gui.cpp
--- a/src/signs_gui.cpp
+++ b/src/signs_gui.cpp
@@ -207,7 +207,7 @@ static const NWidgetPart _nested_sign_li
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_PANEL, COLOUR_GREY, SLW_LIST), SetMinimalSize(WD_FRAMETEXT_LEFT + 16 + MAX_LENGTH_SIGN_NAME_PIXELS + WD_FRAMETEXT_RIGHT, 50),
-							SetResize(1, 10), SetFill(true, false), EndContainer(),
+							SetResize(1, 10), SetFill(1, 0), EndContainer(),
 		NWidget(NWID_VERTICAL),
 			NWidget(WWT_SCROLLBAR, COLOUR_GREY, SLW_SCROLLBAR),
 			NWidget(WWT_RESIZEBOX, COLOUR_GREY, SLW_RESIZE),
@@ -407,7 +407,7 @@ static const NWidgetPart _nested_query_s
 		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_OK), SetMinimalSize(61, 12), SetDataTip(STR_BUTTON_OK, STR_NULL),
 		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_CANCEL), SetMinimalSize(60, 12), SetDataTip(STR_BUTTON_CANCEL, STR_NULL),
 		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_DELETE), SetMinimalSize(60, 12), SetDataTip(STR_TOWN_VIEW_DELETE_BUTTON, STR_NULL),
-		NWidget(WWT_PANEL, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_FILL), SetFill(true, true), EndContainer(),
+		NWidget(WWT_PANEL, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_FILL), SetFill(1, 1), EndContainer(),
 		NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_PREVIOUS), SetMinimalSize(11, 12), SetDataTip(AWV_DECREASE, STR_EDIT_SIGN_PREVIOUS_SIGN_TOOLTIP),
 		NWidget(NWID_BUTTON_ARROW, COLOUR_GREY, QUERY_EDIT_SIGN_WIDGET_NEXT), SetMinimalSize(11, 12), SetDataTip(AWV_INCREASE, STR_EDIT_SIGN_NEXT_SIGN_TOOLTIP),
 	EndContainer(),