diff --git a/.DS_Store b/.DS_Store
index ebeee33..8e31241 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/Assets/Spine/Editor/spine-unity/Editor/Utility/SpineEditorUtilities.cs b/Assets/Spine/Editor/spine-unity/Editor/Utility/SpineEditorUtilities.cs
index 5c8016b..de035db 100644
--- a/Assets/Spine/Editor/spine-unity/Editor/Utility/SpineEditorUtilities.cs
+++ b/Assets/Spine/Editor/spine-unity/Editor/Utility/SpineEditorUtilities.cs
@@ -379,7 +379,6 @@ namespace Spine.Unity.Editor {
 				var eventType = current.type;
 				bool isDraggingEvent = eventType == EventType.DragUpdated;
 				bool isDropEvent = eventType == EventType.DragPerform;
-				UnityEditor.DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
 
 				if (isDraggingEvent || isDropEvent) {
 					var mouseOverWindow = EditorWindow.mouseOverWindow;
@@ -390,6 +389,7 @@ namespace Spine.Unity.Editor {
 						if (references.Length == 1) {
 							var skeletonDataAsset = references[0] as SkeletonDataAsset;
 							if (skeletonDataAsset != null && skeletonDataAsset.GetSkeletonData(true) != null) {
+								UnityEditor.DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
 
 								// Allow drag-and-dropping anywhere in the Hierarchy Window.
 								// HACK: string-compare because we can't get its type via reflection.