diff --git a/src/shattered_sword/Tools/DataTypes/MapTemplate.ts b/src/shattered_sword/Tools/DataTypes/MapTemplate.ts
index 51287bc..2d2eb03 100644
--- a/src/shattered_sword/Tools/DataTypes/MapTemplate.ts
+++ b/src/shattered_sword/Tools/DataTypes/MapTemplate.ts
@@ -44,6 +44,7 @@ export class Enemy {
 export class RoomTemplate {
     width: number;
     height: number;
+    weight: number;
     bottomLayer: Array<number>;
     topLayer: Array<number>;
     entrances: Array<Entrance>;