diff --git a/MapControl/Shared/GroundOverlay.cs b/MapControl/Shared/GroundOverlay.cs
index 7b4ca544..91992940 100644
--- a/MapControl/Shared/GroundOverlay.cs
+++ b/MapControl/Shared/GroundOverlay.cs
@@ -5,10 +5,9 @@ using System.Globalization;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using System.Xml.Linq;
-using System.Threading;
-
 #if WPF
 using System.Windows;
 using System.Windows.Controls;