diff --git a/source/Components/Xceed.Wpf.AvalonDock/Layout/LayoutAnchorable.cs b/source/Components/Xceed.Wpf.AvalonDock/Layout/LayoutAnchorable.cs
index 29b8e0f4..5bbe0a1c 100644
--- a/source/Components/Xceed.Wpf.AvalonDock/Layout/LayoutAnchorable.cs
+++ b/source/Components/Xceed.Wpf.AvalonDock/Layout/LayoutAnchorable.cs
@@ -413,7 +413,7 @@ public void Hide( bool cancelable = true )
 
       RaisePropertyChanging( "IsHidden" );
       RaisePropertyChanging( "IsVisible" );
-      //if (Parent is ILayoutPane)
+      if (Parent is ILayoutGroup)
       {
         var parentAsGroup = Parent as ILayoutGroup;
         PreviousContainer = parentAsGroup;