diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
index 2b1b10c52b..01c169428b 100644
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -466,7 +466,7 @@ static const NWidgetPart _nested_newgrf_add_dlg_widgets[] = {
 	NWidget(WWT_PANEL, COLOUR_GREY, ANGRFW_FILTER_PANEL), SetResize(1, 0),
 		NWidget(NWID_HORIZONTAL), SetPadding(WD_TEXTPANEL_TOP, 0, WD_TEXTPANEL_BOTTOM, 0), SetPIP(WD_FRAMETEXT_LEFT, WD_FRAMETEXT_RIGHT, WD_FRAMETEXT_RIGHT),
 			NWidget(WWT_TEXT, COLOUR_GREY, ANGRFW_FILTER_TITLE), SetFill(false, true), SetDataTip(STR_LIST_FILTER_TITLE, STR_NULL),
-			NWidget(WWT_EDITBOX, COLOUR_GREY, ANGRFW_FILTER), SetMinimalSize(100, 12), SetResize(1, 0), SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
+			NWidget(WWT_EDITBOX, COLOUR_GREY, ANGRFW_FILTER), SetFill(true, false), SetMinimalSize(100, 12), SetResize(1, 0), SetDataTip(STR_LIST_FILTER_OSKTITLE, STR_LIST_FILTER_TOOLTIP),
 		EndContainer(),
 	EndContainer(),
 	NWidget(NWID_HORIZONTAL),