diff --git a/src/gfx.cpp b/src/gfx.cpp
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -264,7 +264,7 @@ void DrawBox(int x, int y, int dx1, int 
 	 *            ....V.
 	 */
 
-	static const byte colour = GREY_SCALE(15);
+	static const byte colour = PC_WHITE;
 
 	GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
 	GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);