diff --git a/src/gfx.cpp b/src/gfx.cpp
index 1487efe06e..75fca70d12 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -263,7 +263,7 @@ void DrawBox(int x, int y, int dx1, int dy1, int dx2, int dy2, int dx3, int dy3)
 	 *            ....V.
 	 */
 
-	static const byte colour = 255;
+	static const byte colour = 15;
 
 	GfxDrawLineUnscaled(x, y, x + dx1, y + dy1, colour);
 	GfxDrawLineUnscaled(x, y, x + dx2, y + dy2, colour);