diff --git a/src/graph_gui.cpp b/src/graph_gui.cpp
index 00e1efd906..4779f811a8 100644
--- a/src/graph_gui.cpp
+++ b/src/graph_gui.cpp
@@ -963,7 +963,7 @@ struct PaymentRatesGraphWindow : BaseGraphWindow {
 			bool lowered = !HasBit(_legend_excluded_cargo, cs->Index());
 
 			/* Redraw box if lowered */
-			if (lowered) DrawFrameRect(r.left, y, r.right, y + this->line_height - 1, COLOUR_BROWN, lowered ? FR_LOWERED : FR_NONE);
+			if (lowered) DrawFrameRect(r.left, y, r.right, y + this->line_height - 1, COLOUR_BROWN, FR_LOWERED);
 
 			byte clk_dif = lowered ? 1 : 0;
 			int rect_x = clk_dif + (rtl ? r.right - this->legend_width - WD_FRAMERECT_RIGHT : r.left + WD_FRAMERECT_LEFT);