diff --git a/MapControl/Shared/TileSource.cs b/MapControl/Shared/TileSource.cs
index c96482a1..8576d873 100644
--- a/MapControl/Shared/TileSource.cs
+++ b/MapControl/Shared/TileSource.cs
@@ -51,7 +51,7 @@ namespace MapControl
         {
             Uri uri = null;
 
-            if (UriTemplate != null && column >= 0 && row >= 0 && zoomLevel >= 0)
+            if (UriTemplate != null)
             {
                 var uriString = UriTemplate
                     .Replace("{x}", column.ToString())