diff --git a/MapControl/Shared/MapTileLayerBase.cs b/MapControl/Shared/MapTileLayerBase.cs
index fa3f19a9..4302c47f 100644
--- a/MapControl/Shared/MapTileLayerBase.cs
+++ b/MapControl/Shared/MapTileLayerBase.cs
@@ -102,7 +102,7 @@ namespace MapControl
 
         /// <summary>
         /// Maximum number of background tile levels. Default value is 8.
-        /// Is only effective in a MapTileLayer that is the MapLayer of its ParentMap.
+        /// Only effective in a MapTileLayer or WmtsTileLayer that is the MapLayer of its ParentMap.
         /// </summary>
         public int MaxBackgroundLevels
         {
diff --git a/MapControl/Shared/WmtsTileLayer.cs b/MapControl/Shared/WmtsTileLayer.cs
index c5db770c..8391e797 100644
--- a/MapControl/Shared/WmtsTileLayer.cs
+++ b/MapControl/Shared/WmtsTileLayer.cs
@@ -125,6 +125,10 @@ namespace MapControl
                 {
                     currentMatrixes = currentMatrixes.Skip(currentMatrixes.Count - 1).ToList(); // last element only
                 }
+                else if (currentMatrixes.Count > MaxBackgroundLevels + 1)
+                {
+                    currentMatrixes = currentMatrixes.Skip(currentMatrixes.Count - MaxBackgroundLevels - 1).ToList();
+                }
 
                 var currentLayers = Children.Cast<WmtsTileMatrixLayer>()
                     .Where(layer => currentMatrixes.Contains(layer.TileMatrix))