diff --git a/GameEngine/Generator.php b/GameEngine/Generator.php
index c7ce83e9..b47d08f7 100755
--- a/GameEngine/Generator.php
+++ b/GameEngine/Generator.php
@@ -118,7 +118,9 @@ class MyGenerator {
 
 
 	public function getBaseID($x, $y){
-		return ((WORLD_MAX - $y) * (WORLD_MAX * 2 + 1)) + (WORLD_MAX + $x + 1);
+		# broken -> return ((WORLD_MAX - $y) * (WORLD_MAX * 2 + 1)) + (WORLD_MAX + $x + 1);
+		# OK     -> return ((WORLD_MAX - $y) * (WORLD_MAX * 2 + 1)) + (WORLD_MAX - $x + 1);
+		return ((WORLD_MAX - $y) * (WORLD_MAX * 2 + 1)) + (WORLD_MAX - $x + 1);
 	}
 
 	public function getMapCheck($wref){