1 files changed, 1 insertions, 1 deletions
diff --git a/Tile.h b/Tile.h
index 3f56313..9575c99 100644
--- a/Tile.h
+++ b/Tile.h
@@ -21,7 +21,7 @@ public:
 	unsigned int y = 0;
 
 public:
-	void set_data(TileData data);
+	void set_data(TileData & data);
 	void update();
 	void step(Artist &);
 	Tile * get_neighbor(int dx, int dy);