diff --git a/Engine/src/live/Zone.ts b/Engine/src/live/Zone.ts
index e74e778..42d669d 100644
--- a/Engine/src/live/Zone.ts
+++ b/Engine/src/live/Zone.ts
@@ -22,7 +22,7 @@ export class Zone {
       minX,
       minY,
       maxX-minX,
-      maxY-maxY,
+      maxY-minY,
     ]
   }
 }