diff --git a/MapControl/Shared/MapTileLayer.cs b/MapControl/Shared/MapTileLayer.cs
index 4930dd38..7da636b8 100644
--- a/MapControl/Shared/MapTileLayer.cs
+++ b/MapControl/Shared/MapTileLayer.cs
@@ -57,7 +57,7 @@ namespace MapControl
 
         public TileMatrix TileMatrix { get; private set; }
 
-        public ImageTileList Tiles { get; private set; } = [];
+        public ICollection<ImageTile> Tiles { get; private set; } = [];
 
         /// <summary>
         /// Minimum zoom level supported by the MapTileLayer. Default value is 0.
diff --git a/MapControl/Shared/WmtsTileMatrixLayer.cs b/MapControl/Shared/WmtsTileMatrixLayer.cs
index b927d383..550abd11 100644
--- a/MapControl/Shared/WmtsTileMatrixLayer.cs
+++ b/MapControl/Shared/WmtsTileMatrixLayer.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 #if WPF
 using System.Windows;
 using System.Windows.Controls;
@@ -34,7 +35,7 @@ namespace MapControl
 
         public TileMatrix TileMatrix { get; private set; }
 
-        public ImageTileList Tiles { get; private set; } = [];
+        public IEnumerable<ImageTile> Tiles { get; private set; } = [];
 
         public void UpdateRenderTransform(ViewTransform viewTransform)
         {
diff --git a/MapControl/WPF/BitmapTileMatrixLayer.cs b/MapControl/WPF/BitmapTileMatrixLayer.cs
index 5eff8cdf..a08e14bb 100644
--- a/MapControl/WPF/BitmapTileMatrixLayer.cs
+++ b/MapControl/WPF/BitmapTileMatrixLayer.cs
@@ -46,7 +46,7 @@ namespace MapControl
 
         public TileMatrix TileMatrix { get; private set; } = new TileMatrix(zoomLevel, 1, 1, 0, 0);
 
-        public List<BitmapTile> Tiles { get; private set; } = [];
+        public IEnumerable<BitmapTile> Tiles { get; private set; } = [];
 
         protected override void OnRender(DrawingContext drawingContext)
         {