diff --git a/GongSolutions.Wpf.DragDrop/DragDrop.cs b/GongSolutions.Wpf.DragDrop/DragDrop.cs
index 93084c55..ea489b64 100644
--- a/GongSolutions.Wpf.DragDrop/DragDrop.cs
+++ b/GongSolutions.Wpf.DragDrop/DragDrop.cs
@@ -788,7 +788,7 @@ private static void DropTarget_PreviewDragOver(object sender, DragEventArgs e)
       if (DragAdorner != null) {
         var tempAdornerPos = e.GetPosition(DragAdorner.AdornedElement);
 
-        if (tempAdornerPos.X > 0 && tempAdornerPos.Y > 0) {
+        if (tempAdornerPos.X >= 0 && tempAdornerPos.Y >= 0) {
           _adornerPos = tempAdornerPos;
         }