diff --git a/MapControl/Shared/MapOverlaysPanel.cs b/MapControl/Shared/MapOverlaysPanel.cs
index 86168425..26edbb6a 100644
--- a/MapControl/Shared/MapOverlaysPanel.cs
+++ b/MapControl/Shared/MapOverlaysPanel.cs
@@ -107,8 +107,8 @@ namespace MapControl
 
         protected virtual FrameworkElement CreateOverlay(string sourcePath)
         {
-            var ext = Path.GetExtension(sourcePath).ToLower();
             FrameworkElement overlay;
+            var ext = Path.GetExtension(sourcePath).ToLower();
 
             try
             {
@@ -124,6 +124,7 @@ namespace MapControl
             catch (Exception ex)
             {
                 Debug.WriteLine($"MapOverlaysControl: {sourcePath}: {ex.Message}");
+
                 overlay = new MapPanel();
             }
 
diff --git a/MapControl/Shared/TileImageLoader.cs b/MapControl/Shared/TileImageLoader.cs
index 37c0d9a5..64339013 100644
--- a/MapControl/Shared/TileImageLoader.cs
+++ b/MapControl/Shared/TileImageLoader.cs
@@ -162,17 +162,17 @@ namespace MapControl
             }
         }
 
-        private static Task<byte[]> ReadCacheAsync(string cacheKey)
+        private static async Task<byte[]> ReadCacheAsync(string cacheKey)
         {
             try
             {
-                return Cache.GetAsync(cacheKey);
+                return await Cache.GetAsync(cacheKey);
             }
             catch (Exception ex)
             {
                 Debug.WriteLine($"TileImageLoader.Cache.GetAsync: {cacheKey}: {ex.Message}");
 
-                return Task.FromResult<byte[]>(null);
+                return null;
             }
         }