diff --git a/Ozzyria.Gryp/Models/Data/Layer.cs b/Ozzyria.Gryp/Models/Data/Layer.cs
index 2ef689d..8bad7c9 100644
--- a/Ozzyria.Gryp/Models/Data/Layer.cs
+++ b/Ozzyria.Gryp/Models/Data/Layer.cs
@@ -434,7 +434,7 @@ public void PaintArea(TileBoundary? region, Tile tileData, int originX, int orig
                 var fillDown = GetTileData(toFillX, toFillY + 1)?.Equal(toFillTile) ?? false;
                 var fillUp = GetTileData(toFillX, toFillY - 1)?.Equal(toFillTile) ?? false;
 
-                PushTile(tileData, toFillX, toFillY);
+                PushTile(tileData.Clone(), toFillX, toFillY);
                 toFill.RemoveAt(0);
 
                 if (fillRight)
diff --git a/Ozzyria.Gryp/Models/Data/Tile.cs b/Ozzyria.Gryp/Models/Data/Tile.cs
index 316fa2c..07690a5 100644
--- a/Ozzyria.Gryp/Models/Data/Tile.cs
+++ b/Ozzyria.Gryp/Models/Data/Tile.cs
@@ -7,6 +7,13 @@ internal class Tile
     {
         public List<string> DrawableIds { get; set; } = new List<string>();
 
+        public Tile Clone()
+        {
+            Tile tile = new Tile();
+            tile.DrawableIds.AddRange(DrawableIds);
+            return tile;
+        }
+
         public bool Equal(Tile other)
         {
             if(DrawableIds.Count <= 0 && other.DrawableIds.Count <= 0) return true;