diff --git a/src/graph_gui.cpp b/src/graph_gui.cpp
index 603d5f28a3..e10afc9000 100644
--- a/src/graph_gui.cpp
+++ b/src/graph_gui.cpp
@@ -520,7 +520,7 @@ static const NWidgetPart _nested_operating_profit_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY, BGW_CLOSEBOX),
 		NWidget(WWT_CAPTION, COLOUR_GREY, BGW_CAPTION), SetDataTip(STR_GRAPH_OPERATING_PROFIT_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 14), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_GREY, BGW_BACKGROUND), SetMinimalSize(576, 160), EndContainer(),
 };
@@ -560,7 +560,7 @@ static const NWidgetPart _nested_income_graph_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY, BGW_CLOSEBOX),
 		NWidget(WWT_CAPTION, COLOUR_GREY, BGW_CAPTION), SetDataTip(STR_GRAPH_INCOME_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 14), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_GREY, BGW_BACKGROUND), SetMinimalSize(576, 128), EndContainer(),
 };
@@ -599,7 +599,7 @@ static const NWidgetPart _nested_delivered_cargo_graph_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY, BGW_CLOSEBOX),
 		NWidget(WWT_CAPTION, COLOUR_GREY, BGW_CAPTION), SetDataTip(STR_GRAPH_CARGO_DELIVERED_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 14), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_GREY, BGW_BACKGROUND), SetMinimalSize(576, 128), EndContainer(),
 };
@@ -652,8 +652,8 @@ static const NWidgetPart _nested_performance_history_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY, PHW_CLOSEBOX),
 		NWidget(WWT_CAPTION, COLOUR_GREY, PHW_CAPTION), SetDataTip(STR_GRAPH_COMPANY_PERFORMANCE_RATINGS_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, PHW_DETAILED_PERFORMANCE), SetMinimalSize(50, 14), SetDataTip(STR_PERFORMANCE_DETAIL_KEY, STR_GRAPH_PERFORMANCE_DETAIL_TOOLTIP),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, PHW_KEY), SetMinimalSize(50, 14), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, PHW_DETAILED_PERFORMANCE), SetMinimalSize(50, 0), SetMinimalTextLines(1, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 2), SetDataTip(STR_PERFORMANCE_DETAIL_KEY, STR_GRAPH_PERFORMANCE_DETAIL_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, PHW_KEY), SetMinimalSize(50, 0), SetMinimalTextLines(1, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_GREY, PHW_BACKGROUND), SetMinimalSize(576, 224), EndContainer(),
 };
@@ -691,7 +691,7 @@ static const NWidgetPart _nested_company_value_graph_widgets[] = {
 	NWidget(NWID_HORIZONTAL),
 		NWidget(WWT_CLOSEBOX, COLOUR_GREY, BGW_CLOSEBOX),
 		NWidget(WWT_CAPTION, COLOUR_GREY, BGW_CAPTION), SetDataTip(STR_GRAPH_COMPANY_VALUES_CAPTION, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),
-		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 14), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
+		NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, BGW_KEY_BUTTON), SetMinimalSize(50, 0), SetMinimalTextLines(1, WD_FRAMERECT_TOP + WD_FRAMERECT_BOTTOM + 2), SetDataTip(STR_GRAPH_KEY_BUTTON, STR_GRAPH_KEY_TOOLTIP),
 	EndContainer(),
 	NWidget(WWT_PANEL, COLOUR_GREY, BGW_BACKGROUND), SetMinimalSize(576, 224), EndContainer(),
 };