diff --git a/src/subsidy_gui.cpp b/src/subsidy_gui.cpp
--- a/src/subsidy_gui.cpp
+++ b/src/subsidy_gui.cpp
@@ -250,7 +250,7 @@ static const WindowDesc _subsidies_list_
 	WDP_AUTO, WDP_AUTO, 320, 127, 500, 127,
 	WC_SUBSIDIES_LIST, WC_NONE,
 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON | WDF_RESIZABLE,
-	NULL, _nested_subsidies_list_widgets, lengthof(_nested_subsidies_list_widgets)
+	_nested_subsidies_list_widgets, lengthof(_nested_subsidies_list_widgets)
 );