diff --git a/src/screenshot.cpp b/src/screenshot.cpp
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -820,7 +820,7 @@ static void HeightmapCallback(void *user
 	while (n > 0) {
 		TileIndex ti = TileXY(MapMaxX(), y);
 		for (uint x = MapMaxX(); true; x--) {
-			*buf = 256 * TileHeight(ti) / (1 + _settings_game.construction.max_heightlevel);
+			*buf = 256 * TileHeight(ti) / (1 + _settings_game.construction.map_height_limit);
 			buf++;
 			if (x == 0) break;
 			ti = TILE_ADDXY(ti, -1, 0);