diff --git a/Library/LibraryDataView.cs b/Library/LibraryDataView.cs
index 31de50863..0293b697e 100644
--- a/Library/LibraryDataView.cs
+++ b/Library/LibraryDataView.cs
@@ -364,15 +364,17 @@ namespace MatterHackers.MatterControl.PrintLibrary
 
 		private void AddAllItems(object inData = null)
 		{
+			// Clear SelectedItems when the list is rebuilt to prevent duplicate entries
+			this.SelectedItems.Clear();
+
 			topToBottomItemList.RemoveAllChildren();
 
 			var provider = this.CurrentLibraryProvider;
-
-			// Logical "up folder" button
 			if (provider != null)
 			{
 				if (provider.ProviderKey != "ProviderSelectorKey")
 				{
+					// Create logical "up folder" entry
 					PrintItemCollection parent = new PrintItemCollection("..", provider.ProviderKey);
 					LibraryRowItem queueItem = new LibraryRowItemCollection(parent, provider, -1, this, provider.ParentLibraryProvider, GetThumbnailWidget(provider.ParentLibraryProvider, parent, LibraryProvider.UpFolderImage), "Back".Localize());
 					queueItem.IsViewHelperItem = true;