diff --git a/front/src/Phaser/Map/ITiledMap.ts b/front/src/Phaser/Map/ITiledMap.ts
index 57bb13c9..74810df4 100644
--- a/front/src/Phaser/Map/ITiledMap.ts
+++ b/front/src/Phaser/Map/ITiledMap.ts
@@ -162,6 +162,7 @@ export interface ITiledTileSet {
 
     imageheight: number;
     imagewidth: number;
+    columns: number;
     margin: number;
     name: string;
     properties?: ITiledMapProperty[];