diff --git a/AssetStudioGUI/AssetStudioGUIForm.cs b/AssetStudioGUI/AssetStudioGUIForm.cs
index 87f9905..9d7d97b 100644
--- a/AssetStudioGUI/AssetStudioGUIForm.cs
+++ b/AssetStudioGUI/AssetStudioGUIForm.cs
@@ -139,7 +139,7 @@ namespace AssetStudioGUI
         {
             if (e.Data.GetDataPresent(DataFormats.FileDrop))
             {
-                e.Effect = DragDropEffects.Move;
+                e.Effect = DragDropEffects.Copy;
             }
         }