diff --git a/src/heightmap.cpp b/src/heightmap.cpp
--- a/src/heightmap.cpp
+++ b/src/heightmap.cpp
@@ -368,7 +368,7 @@ static void GrayscaleToMapHeights(uint i
 					/* 0 is sea level.
 					 * Other grey scales are scaled evenly to the available height levels > 0.
 					 * (The coastline is independent from the number of height levels) */
-					heightmap_height = 1 + (heightmap_height - 1) * _settings_game.construction.max_heightlevel / 255;
+					heightmap_height = 1 + (heightmap_height - 1) * _settings_game.construction.map_height_limit / 255;
 				}
 
 				SetTileHeight(tile, heightmap_height);